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Can isotopes occur naturally?
Yes, isotopes can occur naturally. Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons. Many elements have naturally occurring isotopes, and they can be found in various proportions in nature. For example, carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. These isotopes are formed through natural processes such as radioactive decay and nuclear reactions. **
How do neutrons enter isotopes?
Neutrons enter isotopes through a process called neutron capture. Neutron capture occurs when a neutron is absorbed by the nucleus of an atom, resulting in the formation of a new isotope. This process can change the atomic mass of the isotope without affecting its chemical properties. Neutron capture plays a crucial role in nuclear reactions and the formation of heavy elements in stars. **
DK Help Your Kids with English Ages 10–16 – KS3 & KS4 Grammar, Writing & Revision Guide
If English is sounding like a foreign language, make it easy and effortless with the ultimate study guide. This visual reference book takes you through all the different parts of the English language, leaving you ready to help your children tackle the trickiest of subjects. Carol Vorderman's unique study aid encourages parents and children to work together as a team to understand and use all aspects of the English language, including grammar, punctuation, and spelling.This latest title in the best-selling Help Your Kids series combines pictures, diagrams, instructions, and examples to cover the components of the school syllabus, while building knowledge, boosting confidence, and aiding understanding. With your support, children can overcome the challenges of English, leaving them calm, confident, and exam ready.
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CGP Books CGP KS3 Year 7 Workbook Bundle – Ages 11-12 (Maths, English, Science, Spelling Punctuation and Grammar)
You can't beat CGP books for KS3 practice! This brilliant bundle is exactly what Year 7 kids need to build their Maths, English and Science skills. It contains four books, full of essential practice — to be used in the classroom or at home! KS3 Year 7 Maths Targeted Workbook (9781789083163) KS3 Year 7 English Targeted Workbook (9781789087833) KS3 Year 7 Science Targeted Workbook (9781789082630) KS3 Year 7 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts (9781837740550) KS3 Year 7 Maths Targeted Workbook For perfectly targeted Year 7 Maths practice, look no further. This KS3 Maths Yearly Targeted Workbook is loaded with practice questions - ideal for honing those essential Maths skills! It covers a range of topics and techniques from the KS3 syllabus, all set at the perfect difficulty for Year 7 pupils. For each topic, questions begin with a gentle warm-up, designed to get pupils up to speed and test what they already know, then progress to more difficult questions. KS3 Year 7 English Targeted Workbook For perfectly levelled Year 7 English practice, look no further! This KS3 English Yearly Targeted Workbook contains stacks of practice questions - ideal for honing those essential reading and writing skills, all matched to the National Curriculum. This brilliant workbook covers a huge variety of texts, from non-fiction to poetry, and helps students understand Shakespeare as well as develop vital essay writing skills. We’ve included prior knowledge checks for each topic, plus there’s extension activities enabling students to practise and integrate different skills that they’ve learned. Each topic is rounded off with a review section including test-style questions to bring everything together. KS3 Year 7 Science Targeted Workbook This beautifully crafted CGP Workbook features an array of Biology, Chemistry and Physics questions, all set at the perfect difficulty for students in Year 7. It's absolutely spot on for honing those all-important Science skills. The questions cover a range of techniques and topics, and aim to challenge common misunderstandings, prepare students for the mathsy and practical sections of the course, and help put what they've learned into context. Topics also include a selection of warm-up questions - to test what students already know about each topic. We've rounded the book off with a stack of mixed test-style questions to bring everything students have learned together in one place. KS3 Year 7 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts This fantastic Weekly Workouts book is packed with targeted practice covering all the essential KS3 Spelling, Punctuation and Grammar skills - perfect for Year 7 students! Each workout consists of a selection of warm-up questions, followed by more challenging questions and problem-solving activities to really test students' SPaG knowledge. Plus, with one workout for every week of the school year, they're the perfect way to help students sharpen their skills and...
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CGP Books CGP KS3 Year 8 Workbook Bundle – Ages 12-13 (Maths, English, Science, Spelling Punctuation and Grammar)You can't beat CGP books for KS3 practice! This brilliant bundle is exactly what Year 8 kids need to build their Maths, English and Science skills. It contains four books, full of essential practice — to be used in the classroom or at home! KS3 Year 8 Maths Targeted Workbook (9781789083170) KS3 Year 8 English Targeted Workbook (9781789087840) KS3 Year 8 Science Targeted Workbook (9781789082647) KS3 Year 8 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts (9781837740567) KS3 Year 8 Maths Targeted Workbook If you're after Year 8 Maths practice, look no further. This KS3 Maths Yearly Targeted Workbook is loaded with practice questions - ideal for honing those essential Maths skills! It covers a range of topics and techniques from the KS3 syllabus, all set at the perfect difficulty for Year 8 pupils. For each topic, questions begin with a gentle warm-up, designed to get pupils up to speed and test what they already know, then progress to more difficult questions. KS3 Year 8 English Targeted Workbook For perfectly levelled Year 8 English practice, look no further! This KS3 English Yearly Targeted Workbook contains stacks of practice questions - ideal for honing those essential reading and writing skills, all matched to the National Curriculum. This brilliant workbook covers a huge variety of texts, from non-fiction to poetry, and helps students understand Shakespeare as well as develop vital essay writing skills. We’ve included prior knowledge checks for each topic, plus there’s extension activities enabling students to practise and integrate different skills that they’ve learned. Each topic is rounded off with a review section including test-style questions to bring everything together. KS3 Year 8 Science Targeted Workbook This spectacular CGP Workbook features an array of Biology, Chemistry and Physics questions, all set at the perfect difficulty for students in Year 8. It's absolutely spot on for honing those all-important Science skills. The questions cover a range of techniques and topics, and aim to challenge common misunderstandings, prepare students for the mathsy and practical sections of the course, and help put what they've learned into context. Topics also include a selection of warm-up questions - to test what students already know about each topic. KS3 Year 8 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts This fantastic Weekly Workouts book is packed with targeted practice covering all the essential KS3 Spelling, Punctuation and Grammar skills - perfect for Year 8 students! Each workout consists of a selection of warm-up questions, followed by more challenging questions and problem-solving activities to really test students' SPaG knowledge. Plus, with one workout for every week of the school year, they're the perfect way to help students sharpen their skills and remember what they've learnt. All the answers are included at the back of the book, alongside a handy score sheet to keep track of students' progress -...27,99 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS3 Year 9 Workbook Bundle – Ages 13-14 (Maths, English, Science, Spelling Punctuation and Grammar)You can't beat CGP books for KS3 practice! This brilliant bundle is exactly what Year 9 kids need to build their Maths, English and Science skills. It contains four books, full of essential practice — to be used in the classroom or at home! KS3 Year 9 Maths Targeted Workbook (9781789083187) KS3 Year 9 English Targeted Workbook (9781789087857) KS3 Year 9 Science Targeted Workbook (9781789082654) KS3 Year 9 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts (9781837740574) KS3 Year 9 Maths Targeted Workbook If you're after Year 9 Maths practice, look no further. This KS3 Maths Yearly Targeted Workbook is loaded with practice questions - ideal for honing those essential Maths skills! It covers a range of topics and techniques from the KS3 syllabus, all set at the perfect difficulty for Year 9 pupils. For each topic, questions begin with a gentle warm-up, designed to get pupils up to speed and test what they already know, then progress to more difficult questions. KS3 Year 9 English Targeted Workbook For perfectly levelled Year 9 English practice, look no further! This KS3 English Yearly Targeted Workbook contains stacks of practice questions to hone those essential reading and writing skills - ideal for bridging the gap to GCSE. This brilliant workbook covers a huge variety of texts, from non-fiction to poetry, and helps students understand Shakespeare as well as develop vital essay writing skills. We’ve included prior knowledge checks for each topic, plus there’s extension activities enabling students to practise and integrate different skills that they’ve learned. Each topic is rounded off with a review section including test-style questions to bring everything together. KS3 Year 9 Science Targeted Workbook This wondrous CGP Workbook features an array of Biology, Chemistry and Physics questions, all set at the perfect difficulty for students in Year 9. It's absolutely spot on for honing those all-important Science skills. The questions cover a range of techniques and topics, and aim to challenge common misunderstandings, prepare students for the mathsy and practical sections of the course, and to help bridge the gap to GCSE. Topics also include a selection of warm-up questions - to test what students already know about each topic. We've rounded the book off with a stack of mixed test-style questions to bring everything students have learned together in one place. KS3 Year 9 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts This fantastic Weekly Workouts book is packed with targeted practice covering all the essential KS3 Spelling, Punctuation and Grammar skills - perfect for Year 9 students! Each workout consists of a selection of warm-up questions, followed by more challenging questions and problem-solving activities to really test students' SPaG knowledge. Plus, with one workout for every week of the school year, they're the perfect way to help students sharpen their skills and remember what they've learnt. All the answers are...26,99 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS1 Year 1 Workbook Bundle – Ages 5-6 (Grammar Punctuation and Spelling, Reading Comprehension, Handwriting, Maths)You can't beat CGP books for fun Primary practice! This brilliant 4-book bundle is perfect for learning at home or in class! Each book is packed with questions and activities to help Year 1 kids build essential English and Maths skills. Year 1 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) (9781782941910) Year 1 Reading Comprehension Targeted Question Book – Book 1 (with Answers) (9781782947585) Year 1 Handwriting Targeted Practice Book (9781782946953) Year 1 Maths Targeted Question Book (9781789089165) Year 1 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) This smashing book is packed with engaging questions and activities to help build grammar, punctuation and spelling skills. It's targeted exactly at Year 1 pupils, and carefully matched to the latest National Curriculum. There are hints and examples throughout the book to help children get started, and tick-boxes to help them keep track of how confident they feel about each topic. What's more, fun puzzles are at the end of every section and complete answers are included at the back ― perfect for hassle-free marking. Year 1 Reading Comprehension Targeted Question Book – Book 1 (with Answers) Our brilliant Targeted Question Book 1 for Year 1 is perfect for pupils getting to grips with Reading Comprehension at Primary School. It's packed with a diverse variety of colourful, fun activities and texts, and there are extra challenges throughout for additional practice. All of the answers are included at the back of the book, and be sure to use the progress chart to record any tricky words pupils encounter! Year 1 Handwriting Targeted Practice Book This bright and cheerful Handwriting Practice Book from CGP is a fantastic way for Year 1 pupils (ages 5-6) to practise forming letters and writing words neatly. It starts off with lines and patterns to trace before moving onto letters. Each letter is introduced with helpful arrows to show how it’s formed. Pupils are then given letters to trace and space to write them independently as well, with guidelines to keep letters the same size and dots to show where to start each letter. They’re also given whole words and sentences to trace and copy. This book includes capital letters and numbers too, and a page of helpful handwriting tips. Year 1 Maths Targeted Question Book This bright, colourful book is a brilliant source of practice questions for Year 1 Maths pupils - all perfectly matched to the latest curriculum. It's packed with questions, with plenty of space on each page for answers and any working out. There are Warm-Up Questions to get pupils started, and the difficulty increases throughout each topic to help them progress. And there's more! We've included Objectives Tests at the start and end of the book, and Progress Tests to keep track of how pupils are getting on. You'll find answers to everything at the back.22,99 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS1 Year 2 Workbook Bundle – Ages 6-7 (Grammar Punctuation and Spelling, Reading Comprehension, Handwriting, Maths)You can't beat CGP books for fun Primary practice! This brilliant 4-book bundle is perfect for learning at home or in class! Each book is packed with questions and activities to help Year 2 kids build essential English and Maths skills. Year 2 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) (9781782941927) Year 2 Reading Comprehension Targeted Question Book – Book 1 (with Answers) (9781782947592) Year 2 Handwriting Targeted Practice Book (9781782946960) Year 2 Maths Targeted Question Book (9781789089172) Year 2 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) This Question Book is brilliant for helping Year 2 pupils perfect their grammar, punctuation and spelling! It's brimming with essential questions and activities, all fully up-to-date for the latest National Curriculum. There are hints and examples throughout the book to help children get started, and tick-boxes to help them keep track of how confident they feel about each topic. There are puzzles at the end of each section and complete answers are included at the back, so it's easy to check how they're getting on. Year 2 Reading Comprehension Targeted Question Book – Book 1 (with Answers) This marvellous question book is packed with engaging texts, activities and questions to develop and strengthen Reading Comprehension skills. The book covers a diverse range of fiction, non-fiction and poetry, with some extra challenges sprinkled throughout. We've included the answers at the back, as well as a helpful progress chart and a table for recording tricky words - perfect for building vocabulary! Year 2 Handwriting Targeted Practice Book This brilliant CGP Handwriting Practice Book for Year 2 pupils (ages 6-7) introduces joined-up handwriting in a fun and accessible way. After a brief recap of all the letters of the alphabet, it moves onto joined-up handwriting. Each different type of join is covered, starting with an example that has arrows to follow to make the join. Pupils can then practise tracing and copying the join on its own, then within a range of words, all with guidelines and starting dots. Break letters and capital letters are also covered. At the end of the book, pupils can practise their joined-up handwriting by copying out longer pieces of writing. Hints are provided at the start of the book. Year 2 Maths Targeted Question Book This bright, colourful book is a brilliant source of practice questions for Year 2 Maths pupils - all perfectly matched to the latest curriculum. It's packed with questions, with plenty of space on each page for answers and any working out. There are Warm-Up Questions to get pupils started, and the difficulty increases throughout each topic to help them progress. And there's more! We've included Objectives Tests at the start and end of the book, and Progress Tests to keep track of how pupils are getting on. You'll find answers to everything at the back.22,99 £*Shipping: 2,99 £Secure redirect to the provider
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What are isotopes in chemistry?
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This means that isotopes have the same atomic number but different atomic masses. For example, carbon-12 and carbon-14 are isotopes of carbon. Isotopes can have different physical properties, such as different atomic masses, but they have similar chemical properties because they have the same number of protons and electrons. **
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How do radioactive isotopes decay?
Radioactive isotopes decay through the process of emitting radiation in the form of alpha particles, beta particles, or gamma rays. This emission of radiation occurs as the unstable nucleus of the isotope seeks to reach a more stable state. The type of decay that occurs depends on the specific isotope and its atomic structure. Over time, the decay process transforms the original isotope into a different element or a different isotope of the same element. **
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Are there isotopes, yes or no?
Yes, there are isotopes. Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This results in variations in atomic mass for a given element. **
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What are the three carbon isotopes?
The three carbon isotopes are carbon-12, carbon-13, and carbon-14. Carbon-12 is the most abundant and stable isotope, making up about 98.9% of all carbon atoms. Carbon-13 is a stable isotope, making up about 1.1% of all carbon atoms. Carbon-14 is a radioactive isotope with a half-life of about 5,730 years and is used in radiocarbon dating to determine the age of organic materials. **
CGP Books CGP KS2 Year 3 Workbook Bundle – Ages 7-8 (Grammar Punctuation and Spelling, Reading Comprehension, Handwriting, Maths)
You can't beat CGP books for fun Primary practice! This brilliant 4-book bundle is perfect for learning at home or in class! Each book is packed with questions and activities to help Year 3 kids build essential English and Maths skills. Year 3 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) (9781782941316) Year 3 Reading Comprehension Targeted Question Book – Book 1 (with Answers) (9781782944485) Year 3 Handwriting Targeted Practice Book (9781782946977) Year 3 Maths Targeted Question Book (9781847622112) Year 3 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) This fabulous three-in-one Targeted Question Book is packed with essential Year 3 writing practice! It covers grammar, spelling and punctuation ― all perfectly matched to the National Curriculum. There are notes and examples throughout the book to help children get started on each topic, and tick-boxes to keep track of their progress. Complete answers are included in a cut-out-and-keep section for easy marking. Year 3 Reading Comprehension Targeted Question Book – Book 1 (with Answers) This brilliant Targeted Question Book is packed with Reading Comprehension practice for Year 3 pupils! It contains fifteen engaging texts - including fiction, non-fiction and poetry - that cover a diverse range of styles and eras, from well-known classics to modern authors. Each text is accompanied by practice questions to help build pupils’ Reading Comprehension skills, and there are full answers at the back. There are also handy online extras, including a pupil progress chart. Year 3 Handwriting Targeted Practice Book This CGP Handwriting Practice Book for Year 3 pupils (ages 7-8) provides fantastic joined-up handwriting practice. It starts off with some useful tips for keeping handwriting neat, before recapping the different types of join, with plenty of space to practise. In the first half of the book, pupils are given guidelines to help keep their letters the same size, but in the second half, they’re just given a single line to write on to build up their skills, with tips to help them. As well as common letter combinations, they’re given a wide variety of words and phrases to copy, building up to longer pieces of text towards the end of the book. Year 3 Maths Targeted Question Book This book is a brilliant source of test-style practice questions for Year 3 Maths pupils - all perfectly matched to the latest curriculum! There are questions for each topic, with space on each page for pupils to write their answers and any working out, plus mark schemes so that you can keep track of their progress. There are also Warm-Up Questions to get pupils started, and Greater Depth Questions to help them really master a topic. And there's more! We've included Objectives Tests at the start and end of the book, and Progress Tests to keep track of how pupils are getting on. You'll find answers to everything at the back.
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CGP Books CGP KS2 Year 4 Workbook Bundle – Ages 8-9 (Grammar Punctuation and Spelling, Reading Comprehension, Handwriting, Maths)
You can't beat CGP books for fun Primary practice! This brilliant 4-book bundle is perfect for learning at home or in class! Each book is packed with questions and activities to help Year 4 kids build essential English and Maths skills. Titles in this set: Year 4 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) (9781782941323) Year 4 Reading Comprehension Targeted Question Book – Book 1 (with Answers) (9781782944492) Year 4 Handwriting Targeted Practice Book (9781782946984) Year 4 Maths Targeted Question Book (9781847622129) Year 4 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) This bumper Year 4 Question Book is packed with essential practice for grammar, spelling and punctuation, all perfectly matched to the National Curriculum! There are notes and examples throughout the book to help children get started on each topic, and tick-boxes to keep track of how confident they're feeling about their skills. Complete answers are included in a cut-out-and-keep section for easy marking. Year 4 Reading Comprehension Targeted Question Book – Book 1 (with Answers) This brilliant Targeted Question Book is packed with Reading Comprehension practice for Year 4 pupils! It contains fifteen engaging texts - including fiction, non-fiction and poetry - that cover a diverse range of styles and eras, from well-known classics to modern authors. Each text is accompanied by practice questions to help build pupils’ Reading Comprehension skills, and there are full answers at the back. There are also handy online extras, including a pupil progress chart. Year 4 Handwriting Targeted Practice Book This CGP Handwriting Practice Book is a great way for Year 4 pupils (ages 8-9) to improve their joined-up handwriting. It starts off with a page of useful tips for keeping handwriting neat, before giving them words and phrases to copy out. The book includes a variety of fun things to copy, from haikus to limericks and fact sheets to fairy tales. Towards the end of the book, they’re given full pages of writing to copy, to really build up their handwriting stamina. Year 4 Maths Targeted Question Book This book is a brilliant source of test-style practice questions for Year 4 Maths pupils — all perfectly matched to the latest curriculum! There are questions for each topic, with space on each page for pupils to write their answers and any working out, plus mark schemes so that you can keep track of their progress. There are also Warm-Up Questions to get pupils started, and Greater Depth Questions to help them really master a topic. And there's more! We've included Objectives Tests at the start and end of the book, and Progress Tests to keep track of how pupils are getting on. You'll find answers to everything at the back.
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What are the properties of isotopes?
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This means that isotopes have the same chemical properties, but different physical properties due to their different atomic masses. Isotopes of an element have similar chemical behavior because they have the same number of electrons and therefore the same electron configuration. Isotopes are used in a variety of applications, including carbon dating, medical imaging, and nuclear power. **
How do radioactive isotopes decay exponentially?
Radioactive isotopes decay exponentially because the rate of decay is proportional to the amount of the isotope present. This means that as time goes on, the amount of the isotope decreases at an increasingly rapid rate. The decay is described by the exponential decay equation, which shows that the amount of the isotope remaining decreases by a constant fraction over equal intervals of time. This exponential decay behavior allows scientists to predict the amount of a radioactive isotope remaining at any given time. **
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DK Help Your Kids with English Ages 10–16 – KS3 & KS4 Grammar, Writing & Revision GuideIf English is sounding like a foreign language, make it easy and effortless with the ultimate study guide. This visual reference book takes you through all the different parts of the English language, leaving you ready to help your children tackle the trickiest of subjects. Carol Vorderman's unique study aid encourages parents and children to work together as a team to understand and use all aspects of the English language, including grammar, punctuation, and spelling.This latest title in the best-selling Help Your Kids series combines pictures, diagrams, instructions, and examples to cover the components of the school syllabus, while building knowledge, boosting confidence, and aiding understanding. With your support, children can overcome the challenges of English, leaving them calm, confident, and exam ready.9,99 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS3 Year 7 Workbook Bundle – Ages 11-12 (Maths, English, Science, Spelling Punctuation and Grammar)You can't beat CGP books for KS3 practice! This brilliant bundle is exactly what Year 7 kids need to build their Maths, English and Science skills. It contains four books, full of essential practice — to be used in the classroom or at home! KS3 Year 7 Maths Targeted Workbook (9781789083163) KS3 Year 7 English Targeted Workbook (9781789087833) KS3 Year 7 Science Targeted Workbook (9781789082630) KS3 Year 7 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts (9781837740550) KS3 Year 7 Maths Targeted Workbook For perfectly targeted Year 7 Maths practice, look no further. This KS3 Maths Yearly Targeted Workbook is loaded with practice questions - ideal for honing those essential Maths skills! It covers a range of topics and techniques from the KS3 syllabus, all set at the perfect difficulty for Year 7 pupils. For each topic, questions begin with a gentle warm-up, designed to get pupils up to speed and test what they already know, then progress to more difficult questions. KS3 Year 7 English Targeted Workbook For perfectly levelled Year 7 English practice, look no further! This KS3 English Yearly Targeted Workbook contains stacks of practice questions - ideal for honing those essential reading and writing skills, all matched to the National Curriculum. This brilliant workbook covers a huge variety of texts, from non-fiction to poetry, and helps students understand Shakespeare as well as develop vital essay writing skills. We’ve included prior knowledge checks for each topic, plus there’s extension activities enabling students to practise and integrate different skills that they’ve learned. Each topic is rounded off with a review section including test-style questions to bring everything together. KS3 Year 7 Science Targeted Workbook This beautifully crafted CGP Workbook features an array of Biology, Chemistry and Physics questions, all set at the perfect difficulty for students in Year 7. It's absolutely spot on for honing those all-important Science skills. The questions cover a range of techniques and topics, and aim to challenge common misunderstandings, prepare students for the mathsy and practical sections of the course, and help put what they've learned into context. Topics also include a selection of warm-up questions - to test what students already know about each topic. We've rounded the book off with a stack of mixed test-style questions to bring everything students have learned together in one place. KS3 Year 7 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts This fantastic Weekly Workouts book is packed with targeted practice covering all the essential KS3 Spelling, Punctuation and Grammar skills - perfect for Year 7 students! Each workout consists of a selection of warm-up questions, followed by more challenging questions and problem-solving activities to really test students' SPaG knowledge. Plus, with one workout for every week of the school year, they're the perfect way to help students sharpen their skills and...27,99 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS3 Year 8 Workbook Bundle – Ages 12-13 (Maths, English, Science, Spelling Punctuation and Grammar)You can't beat CGP books for KS3 practice! This brilliant bundle is exactly what Year 8 kids need to build their Maths, English and Science skills. It contains four books, full of essential practice — to be used in the classroom or at home! KS3 Year 8 Maths Targeted Workbook (9781789083170) KS3 Year 8 English Targeted Workbook (9781789087840) KS3 Year 8 Science Targeted Workbook (9781789082647) KS3 Year 8 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts (9781837740567) KS3 Year 8 Maths Targeted Workbook If you're after Year 8 Maths practice, look no further. This KS3 Maths Yearly Targeted Workbook is loaded with practice questions - ideal for honing those essential Maths skills! It covers a range of topics and techniques from the KS3 syllabus, all set at the perfect difficulty for Year 8 pupils. For each topic, questions begin with a gentle warm-up, designed to get pupils up to speed and test what they already know, then progress to more difficult questions. KS3 Year 8 English Targeted Workbook For perfectly levelled Year 8 English practice, look no further! This KS3 English Yearly Targeted Workbook contains stacks of practice questions - ideal for honing those essential reading and writing skills, all matched to the National Curriculum. This brilliant workbook covers a huge variety of texts, from non-fiction to poetry, and helps students understand Shakespeare as well as develop vital essay writing skills. We’ve included prior knowledge checks for each topic, plus there’s extension activities enabling students to practise and integrate different skills that they’ve learned. Each topic is rounded off with a review section including test-style questions to bring everything together. KS3 Year 8 Science Targeted Workbook This spectacular CGP Workbook features an array of Biology, Chemistry and Physics questions, all set at the perfect difficulty for students in Year 8. It's absolutely spot on for honing those all-important Science skills. The questions cover a range of techniques and topics, and aim to challenge common misunderstandings, prepare students for the mathsy and practical sections of the course, and help put what they've learned into context. Topics also include a selection of warm-up questions - to test what students already know about each topic. KS3 Year 8 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts This fantastic Weekly Workouts book is packed with targeted practice covering all the essential KS3 Spelling, Punctuation and Grammar skills - perfect for Year 8 students! Each workout consists of a selection of warm-up questions, followed by more challenging questions and problem-solving activities to really test students' SPaG knowledge. Plus, with one workout for every week of the school year, they're the perfect way to help students sharpen their skills and remember what they've learnt. All the answers are included at the back of the book, alongside a handy score sheet to keep track of students' progress -...27,99 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS3 Year 9 Workbook Bundle – Ages 13-14 (Maths, English, Science, Spelling Punctuation and Grammar)You can't beat CGP books for KS3 practice! This brilliant bundle is exactly what Year 9 kids need to build their Maths, English and Science skills. It contains four books, full of essential practice — to be used in the classroom or at home! KS3 Year 9 Maths Targeted Workbook (9781789083187) KS3 Year 9 English Targeted Workbook (9781789087857) KS3 Year 9 Science Targeted Workbook (9781789082654) KS3 Year 9 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts (9781837740574) KS3 Year 9 Maths Targeted Workbook If you're after Year 9 Maths practice, look no further. This KS3 Maths Yearly Targeted Workbook is loaded with practice questions - ideal for honing those essential Maths skills! It covers a range of topics and techniques from the KS3 syllabus, all set at the perfect difficulty for Year 9 pupils. For each topic, questions begin with a gentle warm-up, designed to get pupils up to speed and test what they already know, then progress to more difficult questions. KS3 Year 9 English Targeted Workbook For perfectly levelled Year 9 English practice, look no further! This KS3 English Yearly Targeted Workbook contains stacks of practice questions to hone those essential reading and writing skills - ideal for bridging the gap to GCSE. This brilliant workbook covers a huge variety of texts, from non-fiction to poetry, and helps students understand Shakespeare as well as develop vital essay writing skills. We’ve included prior knowledge checks for each topic, plus there’s extension activities enabling students to practise and integrate different skills that they’ve learned. Each topic is rounded off with a review section including test-style questions to bring everything together. KS3 Year 9 Science Targeted Workbook This wondrous CGP Workbook features an array of Biology, Chemistry and Physics questions, all set at the perfect difficulty for students in Year 9. It's absolutely spot on for honing those all-important Science skills. The questions cover a range of techniques and topics, and aim to challenge common misunderstandings, prepare students for the mathsy and practical sections of the course, and to help bridge the gap to GCSE. Topics also include a selection of warm-up questions - to test what students already know about each topic. We've rounded the book off with a stack of mixed test-style questions to bring everything students have learned together in one place. KS3 Year 9 Spelling, Punctuation and Grammar 10-Minute Weekly Workouts This fantastic Weekly Workouts book is packed with targeted practice covering all the essential KS3 Spelling, Punctuation and Grammar skills - perfect for Year 9 students! Each workout consists of a selection of warm-up questions, followed by more challenging questions and problem-solving activities to really test students' SPaG knowledge. Plus, with one workout for every week of the school year, they're the perfect way to help students sharpen their skills and remember what they've learnt. All the answers are...26,99 £*Shipping: 2,99 £Secure redirect to the provider
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Can isotopes occur naturally?
Yes, isotopes can occur naturally. Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons. Many elements have naturally occurring isotopes, and they can be found in various proportions in nature. For example, carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. These isotopes are formed through natural processes such as radioactive decay and nuclear reactions. **
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How do neutrons enter isotopes?
Neutrons enter isotopes through a process called neutron capture. Neutron capture occurs when a neutron is absorbed by the nucleus of an atom, resulting in the formation of a new isotope. This process can change the atomic mass of the isotope without affecting its chemical properties. Neutron capture plays a crucial role in nuclear reactions and the formation of heavy elements in stars. **
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What are isotopes in chemistry?
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This means that isotopes have the same atomic number but different atomic masses. For example, carbon-12 and carbon-14 are isotopes of carbon. Isotopes can have different physical properties, such as different atomic masses, but they have similar chemical properties because they have the same number of protons and electrons. **
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How do radioactive isotopes decay?
Radioactive isotopes decay through the process of emitting radiation in the form of alpha particles, beta particles, or gamma rays. This emission of radiation occurs as the unstable nucleus of the isotope seeks to reach a more stable state. The type of decay that occurs depends on the specific isotope and its atomic structure. Over time, the decay process transforms the original isotope into a different element or a different isotope of the same element. **
Similar search terms for Isotopes
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CGP Books CGP KS1 Year 1 Workbook Bundle – Ages 5-6 (Grammar Punctuation and Spelling, Reading Comprehension, Handwriting, Maths)You can't beat CGP books for fun Primary practice! This brilliant 4-book bundle is perfect for learning at home or in class! Each book is packed with questions and activities to help Year 1 kids build essential English and Maths skills. Year 1 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) (9781782941910) Year 1 Reading Comprehension Targeted Question Book – Book 1 (with Answers) (9781782947585) Year 1 Handwriting Targeted Practice Book (9781782946953) Year 1 Maths Targeted Question Book (9781789089165) Year 1 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) This smashing book is packed with engaging questions and activities to help build grammar, punctuation and spelling skills. It's targeted exactly at Year 1 pupils, and carefully matched to the latest National Curriculum. There are hints and examples throughout the book to help children get started, and tick-boxes to help them keep track of how confident they feel about each topic. What's more, fun puzzles are at the end of every section and complete answers are included at the back ― perfect for hassle-free marking. Year 1 Reading Comprehension Targeted Question Book – Book 1 (with Answers) Our brilliant Targeted Question Book 1 for Year 1 is perfect for pupils getting to grips with Reading Comprehension at Primary School. It's packed with a diverse variety of colourful, fun activities and texts, and there are extra challenges throughout for additional practice. All of the answers are included at the back of the book, and be sure to use the progress chart to record any tricky words pupils encounter! Year 1 Handwriting Targeted Practice Book This bright and cheerful Handwriting Practice Book from CGP is a fantastic way for Year 1 pupils (ages 5-6) to practise forming letters and writing words neatly. It starts off with lines and patterns to trace before moving onto letters. Each letter is introduced with helpful arrows to show how it’s formed. Pupils are then given letters to trace and space to write them independently as well, with guidelines to keep letters the same size and dots to show where to start each letter. They’re also given whole words and sentences to trace and copy. This book includes capital letters and numbers too, and a page of helpful handwriting tips. Year 1 Maths Targeted Question Book This bright, colourful book is a brilliant source of practice questions for Year 1 Maths pupils - all perfectly matched to the latest curriculum. It's packed with questions, with plenty of space on each page for answers and any working out. There are Warm-Up Questions to get pupils started, and the difficulty increases throughout each topic to help them progress. And there's more! We've included Objectives Tests at the start and end of the book, and Progress Tests to keep track of how pupils are getting on. You'll find answers to everything at the back.22,99 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS1 Year 2 Workbook Bundle – Ages 6-7 (Grammar Punctuation and Spelling, Reading Comprehension, Handwriting, Maths)You can't beat CGP books for fun Primary practice! This brilliant 4-book bundle is perfect for learning at home or in class! Each book is packed with questions and activities to help Year 2 kids build essential English and Maths skills. Year 2 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) (9781782941927) Year 2 Reading Comprehension Targeted Question Book – Book 1 (with Answers) (9781782947592) Year 2 Handwriting Targeted Practice Book (9781782946960) Year 2 Maths Targeted Question Book (9781789089172) Year 2 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) This Question Book is brilliant for helping Year 2 pupils perfect their grammar, punctuation and spelling! It's brimming with essential questions and activities, all fully up-to-date for the latest National Curriculum. There are hints and examples throughout the book to help children get started, and tick-boxes to help them keep track of how confident they feel about each topic. There are puzzles at the end of each section and complete answers are included at the back, so it's easy to check how they're getting on. Year 2 Reading Comprehension Targeted Question Book – Book 1 (with Answers) This marvellous question book is packed with engaging texts, activities and questions to develop and strengthen Reading Comprehension skills. The book covers a diverse range of fiction, non-fiction and poetry, with some extra challenges sprinkled throughout. We've included the answers at the back, as well as a helpful progress chart and a table for recording tricky words - perfect for building vocabulary! Year 2 Handwriting Targeted Practice Book This brilliant CGP Handwriting Practice Book for Year 2 pupils (ages 6-7) introduces joined-up handwriting in a fun and accessible way. After a brief recap of all the letters of the alphabet, it moves onto joined-up handwriting. Each different type of join is covered, starting with an example that has arrows to follow to make the join. Pupils can then practise tracing and copying the join on its own, then within a range of words, all with guidelines and starting dots. Break letters and capital letters are also covered. At the end of the book, pupils can practise their joined-up handwriting by copying out longer pieces of writing. Hints are provided at the start of the book. Year 2 Maths Targeted Question Book This bright, colourful book is a brilliant source of practice questions for Year 2 Maths pupils - all perfectly matched to the latest curriculum. It's packed with questions, with plenty of space on each page for answers and any working out. There are Warm-Up Questions to get pupils started, and the difficulty increases throughout each topic to help them progress. And there's more! We've included Objectives Tests at the start and end of the book, and Progress Tests to keep track of how pupils are getting on. You'll find answers to everything at the back.22,99 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS2 Year 3 Workbook Bundle – Ages 7-8 (Grammar Punctuation and Spelling, Reading Comprehension, Handwriting, Maths)You can't beat CGP books for fun Primary practice! This brilliant 4-book bundle is perfect for learning at home or in class! Each book is packed with questions and activities to help Year 3 kids build essential English and Maths skills. Year 3 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) (9781782941316) Year 3 Reading Comprehension Targeted Question Book – Book 1 (with Answers) (9781782944485) Year 3 Handwriting Targeted Practice Book (9781782946977) Year 3 Maths Targeted Question Book (9781847622112) Year 3 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) This fabulous three-in-one Targeted Question Book is packed with essential Year 3 writing practice! It covers grammar, spelling and punctuation ― all perfectly matched to the National Curriculum. There are notes and examples throughout the book to help children get started on each topic, and tick-boxes to keep track of their progress. Complete answers are included in a cut-out-and-keep section for easy marking. Year 3 Reading Comprehension Targeted Question Book – Book 1 (with Answers) This brilliant Targeted Question Book is packed with Reading Comprehension practice for Year 3 pupils! It contains fifteen engaging texts - including fiction, non-fiction and poetry - that cover a diverse range of styles and eras, from well-known classics to modern authors. Each text is accompanied by practice questions to help build pupils’ Reading Comprehension skills, and there are full answers at the back. There are also handy online extras, including a pupil progress chart. Year 3 Handwriting Targeted Practice Book This CGP Handwriting Practice Book for Year 3 pupils (ages 7-8) provides fantastic joined-up handwriting practice. It starts off with some useful tips for keeping handwriting neat, before recapping the different types of join, with plenty of space to practise. In the first half of the book, pupils are given guidelines to help keep their letters the same size, but in the second half, they’re just given a single line to write on to build up their skills, with tips to help them. As well as common letter combinations, they’re given a wide variety of words and phrases to copy, building up to longer pieces of text towards the end of the book. Year 3 Maths Targeted Question Book This book is a brilliant source of test-style practice questions for Year 3 Maths pupils - all perfectly matched to the latest curriculum! There are questions for each topic, with space on each page for pupils to write their answers and any working out, plus mark schemes so that you can keep track of their progress. There are also Warm-Up Questions to get pupils started, and Greater Depth Questions to help them really master a topic. And there's more! We've included Objectives Tests at the start and end of the book, and Progress Tests to keep track of how pupils are getting on. You'll find answers to everything at the back.20,49 £*Shipping: 2,99 £Secure redirect to the provider
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CGP Books CGP KS2 Year 4 Workbook Bundle – Ages 8-9 (Grammar Punctuation and Spelling, Reading Comprehension, Handwriting, Maths)You can't beat CGP books for fun Primary practice! This brilliant 4-book bundle is perfect for learning at home or in class! Each book is packed with questions and activities to help Year 4 kids build essential English and Maths skills. Titles in this set: Year 4 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) (9781782941323) Year 4 Reading Comprehension Targeted Question Book – Book 1 (with Answers) (9781782944492) Year 4 Handwriting Targeted Practice Book (9781782946984) Year 4 Maths Targeted Question Book (9781847622129) Year 4 Grammar, Punctuation & Spelling Targeted Question Book (with Answers) This bumper Year 4 Question Book is packed with essential practice for grammar, spelling and punctuation, all perfectly matched to the National Curriculum! There are notes and examples throughout the book to help children get started on each topic, and tick-boxes to keep track of how confident they're feeling about their skills. Complete answers are included in a cut-out-and-keep section for easy marking. Year 4 Reading Comprehension Targeted Question Book – Book 1 (with Answers) This brilliant Targeted Question Book is packed with Reading Comprehension practice for Year 4 pupils! It contains fifteen engaging texts - including fiction, non-fiction and poetry - that cover a diverse range of styles and eras, from well-known classics to modern authors. Each text is accompanied by practice questions to help build pupils’ Reading Comprehension skills, and there are full answers at the back. There are also handy online extras, including a pupil progress chart. Year 4 Handwriting Targeted Practice Book This CGP Handwriting Practice Book is a great way for Year 4 pupils (ages 8-9) to improve their joined-up handwriting. It starts off with a page of useful tips for keeping handwriting neat, before giving them words and phrases to copy out. The book includes a variety of fun things to copy, from haikus to limericks and fact sheets to fairy tales. Towards the end of the book, they’re given full pages of writing to copy, to really build up their handwriting stamina. Year 4 Maths Targeted Question Book This book is a brilliant source of test-style practice questions for Year 4 Maths pupils — all perfectly matched to the latest curriculum! There are questions for each topic, with space on each page for pupils to write their answers and any working out, plus mark schemes so that you can keep track of their progress. There are also Warm-Up Questions to get pupils started, and Greater Depth Questions to help them really master a topic. And there's more! We've included Objectives Tests at the start and end of the book, and Progress Tests to keep track of how pupils are getting on. You'll find answers to everything at the back.20,49 £*Shipping: 2,99 £Secure redirect to the provider
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Are there isotopes, yes or no?
Yes, there are isotopes. Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This results in variations in atomic mass for a given element. **
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What are the three carbon isotopes?
The three carbon isotopes are carbon-12, carbon-13, and carbon-14. Carbon-12 is the most abundant and stable isotope, making up about 98.9% of all carbon atoms. Carbon-13 is a stable isotope, making up about 1.1% of all carbon atoms. Carbon-14 is a radioactive isotope with a half-life of about 5,730 years and is used in radiocarbon dating to determine the age of organic materials. **
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What are the properties of isotopes?
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This means that isotopes have the same chemical properties, but different physical properties due to their different atomic masses. Isotopes of an element have similar chemical behavior because they have the same number of electrons and therefore the same electron configuration. Isotopes are used in a variety of applications, including carbon dating, medical imaging, and nuclear power. **
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How do radioactive isotopes decay exponentially?
Radioactive isotopes decay exponentially because the rate of decay is proportional to the amount of the isotope present. This means that as time goes on, the amount of the isotope decreases at an increasingly rapid rate. The decay is described by the exponential decay equation, which shows that the amount of the isotope remaining decreases by a constant fraction over equal intervals of time. This exponential decay behavior allows scientists to predict the amount of a radioactive isotope remaining at any given time. **
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