RADIOACTIVITY Q32 P1 A radioactive carbon 14 decay to Nitrogen by beta emission as below 14 x 0

Radioactivity. (b) Fig shows two samples of the same radioactive substance. The substance emits β-particles. Fig. 12.1

112 (a) What is meant by radioactive decay? Radioactivity [2] (b) Fig. 12.1 shows two samples of the same radioactive substance. The substance emits β-particles. Fig. 12.1 Put a tick alongside any of the

UNIQUE SCIENCE ACADEMY

UNIQUE SIENE EMY Test (Unit 25) Name :... Paper: Physics ate :... ode: 5054 lass: II Time llowed: 5Minutes Maximum Marks: 25 1 Theory Section: [Total 17 Marks] 1 doctor uses a radioactive isotope, iodine-11,

5 Atomic Physics. 1 of the isotope remains. 1 minute, 4. Atomic Physics. 1. Radioactivity 2. The nuclear atom

5 Atomic Physics 1. Radioactivity 2. The nuclear atom 1. In a fission reactor, which particle causes a Uranium-235 nucleus to split? A. alpha-particle B. gamma ray C. neutron D. proton 2. A radioactive

Bi β + Po Bismuth-214 is radioactive. It has a half-life of 20 minutes. (a) The nuclide notation for bismuth-214 is Bi.

1 Bismuth-214 is radioactive. It has a half-life of 20 minutes. (a) The nuclide notation for bismuth-214 is Bi. State the composition of the nucleus of bismuth-214. [2] (b) Bismuth-214 decays by β-decay

Particle Physics. Question Paper 1. Save My Exams! The Home of Revision. International A Level. Exam Board Particle & Nuclear Physics

For more awesome GSE and level resources, visit us at www.savemyexams.co.uk/ Particle Physics Question Paper 1 Level International Level Subject Physics Exam oard IE Topic Particle & Nuclear Physics Sub

RADIOACTIVITY. Nature of Radioactive Emissions

1 RADIOACTIVITY Radioactivity is the spontaneous emissions from the nucleus of certain atoms, of either alpha, beta or gamma radiation. These radiations are emitted when the nuclei of the radioactive substance

(a) (i) State the proton number and the nucleon number of X.

PhysicsAndMathsTutor.com 1 1. Nuclei of 218 84Po decay by the emission of an particle to form a stable isotope of an element X. You may assume that no emission accompanies the decay. (a) (i) State the

... (1) The diagram shows how aluminium sheet is rolled to form foil of constant thickness. rollers source of radiation

PACK G QUESTIONS 1. The three main types of radioactive emission are called alpha, beta and gamma. The diagram shows the penetrations of alpha, beta and gamma radiation. thin paper card aluminium lead

CHAPTER 1 RADIATION AND RADIOACTIVITY

CHAPTER 1 RADIATION AND RADIOACTIVITY 1 Atomic Model Atomic Structure Atomic Number Mass Number Isotope [Mass Number][HKCEE] If the nucleus of an atom is represented by the symbol 214 83 X, it means that

Name Date Class NUCLEAR RADIATION. alpha particle beta particle gamma ray

25.1 NUCLEAR RADIATION Section Review Objectives Explain how an unstable nucleus releases energy Describe the three main types of nuclear radiation Vocabulary radioisotopes radioactivity radiation alpha

Lab 14. RADIOACTIVITY

Lab 14. RADIOACTIVITY 14.1. Guiding Question What are the properties of different types of nuclear radiation? How does nucelar decay proceed over time? 14.2. Equipment 1. ST360 Radiation Counter, G-M probe

Radioactivity Outcomes. Radioactivity Outcomes. Radiation

1 Radioactivity Outcomes Describe the experimental evidence for there being three types of radiation. Discuss the nature and properties of each type. Solve problems about mass and atomic numbers in radioactive

UNIT 13: NUCLEAR CHEMISTRY

UNIT 13: NUCLEAR CHEMISTRY REVIEW: ISOTOPE NOTATION An isotope notation is written as Z A X, where X is the element, A is the mass number (sum of protons and neutrons), and Z is the atomic number. For

Chapter 33: The Atomic Nucleus and Radioactivity Review questions pg. 658

Chapter 33: The Atomic Nucleus and Radioactivity Review questions pg. 658 5. How do the electric charges of alpha, beta and gamma rays differ? Ans. The alpha 'ray' consists of alpha particles. Each alpha

Radioactive Decay 1 of 20 Boardworks Ltd 2016

Radioactive Decay 1 of 20 Boardworks Ltd 2016 Radioactive Decay 2 of 20 Boardworks Ltd 2016 What is radiation? 3 of 20 Boardworks Ltd 2016 The term radiation (also known as nuclear radiation) refers to

PHYSICS A2 UNIT 2 SECTION 1: RADIOACTIVITY & NUCLEAR ENERGY

PHYSICS A2 UNIT 2 SECTION 1: RADIOACTIVITY & NUCLEAR ENERGY THE ATOMIC NUCLEUS / NUCLEAR RADIUS & DENSITY / PROPERTIES OF NUCLEAR RADIATION / INTENSITY & BACKGROUND RADIATION / EXPONENTIAL LAW OF DECAY

y loo Physics Essentials Workbook Stage 2 Physics Exercises

238 Physics Essentials Workbook Stage 2 Physics 15.1 2 Exercises P Explain why stable nuclei of high mass have a higher proportion of neutrons than stable nuclei of low mass. 2 Name four types of spontaneous

2) Explain why the U-238 disintegration series shown in the graph ends with the nuclide Pb-206.

Name: 3156-1 - Page 1 Questions 1 and 2 refer to the following: A U-238 atom decays to a Pb-206 atom through a series of steps. Each point on the graph below represents a nuclide and each arrow represents

da u g ht er + radiation

RADIOACTIVITY The discovery of radioactivity can be attributed to several scientists. Wilhelm Roentgen discovered X-rays in 1895 and shortly after that Henri Becquerel observed radioactive behavior while

6. Atomic and Nuclear Physics

6. Atomic and Nuclear Physics Chapter 6.2 Radioactivity From IB OCC, prepared by J. Domingues based on Tsokos Physics book Warm Up Define: nucleon atomic number mass number isotope. Radioactivity In 1896,

Assessment Schedule 2011 Physics: Demonstrate understanding of atoms and radioactivity (90256)

NCEA Level 2 Physics (90256) 2011 page 1 of 5 Assessment Schedule 2011 Physics: Demonstrate understanding of atoms and radioactivity (90256) Evidence Statement Q Evidence Achievement Merit Excellence ONE

NUCLEAR PHYSICS: solutions to higher level questions

NUCLEAR PHYSICS: solutions to higher level questions 2015 Question 12 (d) (i) What is meant by the term radioactive? (Spontaneous) disintegration of a nucleus with the emission of radiation (ii) Name a

L 36 Modern Physics [3] The atom and the nucleus. Structure of the nucleus. The structure of the nucleus SYMBOL FOR A NUCLEUS FOR A CHEMICAL X

L 36 Modern Physics [3] [L36] Nuclear physics what s inside the nucleus and what holds it together what is radioactivity carbon dating [L37] Nuclear energy nuclear fission nuclear fusion nuclear reactors

Chemistry 19 Prep Test - Nuclear Processes

Chapter 9 Prep-Test Chemistry 9 Prep Test - Nuclear Processes Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.. Which of the illustrations above

Question Bank. Nuclear Physics

Nuclear Physics 1. State one difference between a chemical change and a nuclear change. Ans. A chemical change takes place due to transfer/sharing of orbital electrons of atoms of different elements, whereas

Physics 3204 UNIT 3 Test Matter Energy Interface

Physics 3204 UNIT 3 Test Matter Energy Interface 2005 2006 Time: 60 minutes Total Value: 33 Marks Formulae and Constants v = f λ E = hf h f = E k + W 0 E = m c 2 p = h λ 1 A= A T 0 2 t 1 2 E k = ½ mv 2

Level 2 Physics, 2011

90256 902560 2SUPERVISOR S Level 2 Physics, 2011 90256 Demonstrate understanding of atoms and radioactivity 2.00 pm Wednesday ednesday 16 1 November 2011 Credits: Two Check that the National Student Number

38 Which statement explains the meaning of the half-life of a radioactive substance? 10 mm of aluminium

38 Which statement explains the meaning of the half-life of a radioactive substance? half the time taken for half the substance to decay half the time taken for the substance to decay completely the time

EXAMINATION QUESTIONS (6)

1. What is a beta-particle? A a helium nucleus B a high-energy electron C four protons D two neutrons EXAMINATION QUESTIONS (6) 2. The diagram shows part of a circuit used to switch street lamps on and

L 37 Modern Physics [3] The atom and the nucleus. Structure of the nucleus. Terminology of nuclear physics SYMBOL FOR A NUCLEUS FOR A CHEMICAL X

L 37 Modern Physics [3] [L37] Nuclear physics what s inside the nucleus and what holds it together what is radioactivity carbon dating [L38] Nuclear energy nuclear fission nuclear fusion nuclear reactors

Unit 3: Chemistry in Society Nuclear Chemistry Summary Notes

St Ninian s High School Chemistry Department National 5 Chemistry Unit 3: Chemistry in Society Nuclear Chemistry Summary Notes Name Learning Outcomes After completing this topic you should be able to :

Higher -o-o-o- Past Paper questions o-o-o- 3.6 Radiation

Higher -o-o-o- Past Paper questions 2000-2010 -o-o-o- 3.6 Radiation 2000 Q29 Radium (Ra) decays to radon (Rn) by the emission of an alpha particle. Some energy is also released by this decay. The decay

Key Question: What role did the study of radioactivity play in learning more about atoms?

Name Chemistry Essential question: How were the parts of the atom determined? Key Question: What role did the study of radioactivity play in learning more about atoms? Vocabulary: alpha particle fusion

Chapter 21. Preview. Lesson Starter Objectives Mass Defect and Nuclear Stability Nucleons and Nuclear Stability Nuclear Reactions

Preview Lesson Starter Objectives Mass Defect and Nuclear Stability Nucleons and Nuclear Stability Nuclear Reactions Section 1 The Nucleus Lesson Starter Nuclear reactions result in much larger energy

Isotopes and Radioactive Decay

NAME PERIOD DATE CHAPTER 4 NOTES: ISOTOPES Isotopes and Radioactive Decay ISOTOPES: Atoms that contain the same number of protons but a different number of neutrons. Isotopes containing more neutrons have

Fission is the process by which energy is released in the nuclear reactor. Figure 1. Figure 2

Q1.Electricity is generated in a nuclear power station. Fission is the process by which energy is released in the nuclear reactor. (a) Figure 1 shows the first part of the nuclear fission reaction. Complete

Chemistry 132 NT. Nuclear Chemistry. Not everything that can be counted counts, and not everything that counts can be counted.

Chemistry 132 NT Not everything that can be counted counts, and not everything that counts can be counted. Albert Einstein 1 Chem 132 NT Nuclear Chemistry Module 1 Radioactivity and Nuclear Bombardment

Ch05. Radiation. Energy and matter that comes from the nucleus of an atom. version 1.6

Ch05 Radiation Energy and matter that comes from the nucleus of an atom. version 1.6 Nick DeMello, PhD. 2007-2016 Ch05 Radiation The Discovery of Radioactivity Phosphorescence Radioactive history Antoine

Nuclear fission is used in nuclear power stations to generate electricity. Nuclear fusion happens naturally in stars.

1 (a) Nuclear fission is used in nuclear power stations to generate electricity. Nuclear fusion happens naturally in stars. (i) Explain briefly the difference between nuclear fission and nuclear fusion.

Part 12- Physics Paper 1 Atomic Structure Application Questions Combined Science

Part 12- Physics Paper 1 Atomic Structure Application Questions Combined Science Internal energy and energy transfers Internal energy and energy transfers Changes of state and the particle model Particle

Nuclear Study Packet. 1. What subatomic particles are involved in nuclear reactions? 2. What subatomic particles are involved in chemical reactions?

Name Period Nuclear Study Packet Set 1 1. What subatomic particles are involved in nuclear reactions? 2. What subatomic particles are involved in chemical reactions? 3. If an atom undergoes a reaction

1ST SEM MT CHAP 22 REVIEW

1ST SEM MT CHAP 22 REVIEW Multiple Choice Identify the choice that best completes the statement or answers the question. (CAPITAL LETTERS ONLY PLEASE) 1. Mass defect is the difference between the mass

atomic number and mass number. Go over nuclear symbols, such as He-4 and He. Discuss

Nuclear Decay and Chain Reactions ID: 9522 Time required 45 minutes Topic: Nuclear Identify and write equations for the three forms of nuclear decay. Predict decay products. Perform half-life and decay

L-35 Modern Physics-3 Nuclear Physics 29:006 FINAL EXAM. Structure of the nucleus. The atom and the nucleus. Nuclear Terminology

9:006 FINAL EXAM L-5 Modern Physics- Nuclear Physics The final exam is on Monday MAY 7:0 AM - 9:0 AM in W90 CB The FE is not cumulative, and will cover lectures through 6. (50 questions) The last regular

Physics 30: Chapter 8 Exam Nuclear

Physics 30: Chapter 8 Exam Nuclear Name: Date: Mark: /34 Numeric Response. Place your answers to the numeric response questions, with units, in the blanks at the side of the page. (1 mark each) 1. A 100

SECTION A Quantum Physics and Atom Models

AP Physics Multiple Choice Practice Modern Physics SECTION A Quantum Physics and Atom Models 1. Light of a single frequency falls on a photoelectric material but no electrons are emitted. Electrons may

Chapter 21 Nuclear Chemistry

Chapter 21 Nuclear Chemistry The Nucleus Remember that the nucleus is comprised of the two nucleons, protons and neutrons. The number of protons is the atomic number. The number of protons and neutrons

Atomic Concepts and Nuclear Chemistry Regents Review

1. In the late 1800s, experiments using cathode ray tubes led to the discovery of the 10.Compared to an atom of phosphorus-31, an atom of sulfur-32 contains A) electron B) neutron C) positron D) proton

Revision checklist. Step Learning outcome Had a look Nearly there Nailed it!

Radioactivity a Atomic models Describe the structure of an atom (in terms of nucleus and electrons). State where most of the mass of an atom is found. State the sizes of atoms and small molecules. Describe

= : K A

Atoms and Nuclei. State two limitations of JJ Thomson s model of atom. 2. Write the SI unit for activity of a radioactive substance. 3. What observations led JJ Thomson to conclusion that all atoms have

Nuclear Chemistry. The Nucleus. Isotopes. Slide 1 / 43. Slide 2 / 43. Slide 3 / 43

Slide 1 / 43 Nuclear Chemistry The Nucleus Slide 2 / 43 Remember that the nucleus is comprised of the two nucleons, protons and neutrons. The number of protons is the atomic number. The number of protons

Name: Class: Date: SHORT ANSWER Answer the following questions in the space provided.

CHAPTER 21 REVIEW Nuclear Chemistry SECTION 1 SHORT ANSWER Answer the following questions in the space provided. 1. Based on the information about the three elementary particles in the text, which has

Chem 100 Section Experiment 12 Name Partner s Name. Radioactivity

Chem 100 Section Experiment 12 Name Partner s Name Introduction Radioactivity This experiment is designed to enhance your understanding of the process known as radioactivity. In this exercise you will

Chapter 19 - Nuclear Chemistry Nuclear Stability and Modes of Decay

Chapter 19 - Nuclear Chemistry Nuclear Stability and Modes of Decay History and Discovery of Radioactivity The Discovery of Radioactivity (1896) Antoine-Henri Bequerel designed experiment to determine

Radioactivity and energy levels

Radioactivity and energy levels Book page 497-503 Review of radioactivity β ; Free neutron proton β- decay is continuous β : Proton in nucleus neutron antineutrino neutrino Summary of useful equations

Chem 1A Chapter 5 and 21 Practice Test Grosser ( )

Class: Date: Chem A Chapter 5 and 2 Practice Test Grosser (203-204) Multiple Choice Identify the choice that best completes the statement or answers the question.. The periodic law states that the properties

Atomic Notation (or Nuclear Symbol): Shorthand for keeping track of protons and neutrons in the nucleus

Name Section CHM52LL: Nuclear Chemistry: Radioactivity, Decay, Dating, and Other Hazards There is no prelab assignment this week I. Radioactive Isotopes and Nuclear Equations Atoms are composed of three

Alyssa Dibidad Texas A&M University Cyclotron Institute REU. 3 rd year Biochemistry Student Florida A&M University Tallahassee, FL

Alyssa Dibidad Texas A&M University Cyclotron Institute REU 3 rd year Biochemistry Student Florida A&M University Tallahassee, FL What is Chemistry? The Basics The Atom and Atomic Structure Elements and

Safety: Do not eat the radioactive candium until it has decayed into a safer element.

Name: Date: Period: CHEMISTRY LAB #23 Radioactive Candium Experiment 90 MINUTES Do Now Review: 1) How long will it take for 20 g of 222 Rn to decay to 5 g? 2) How many half-lives is this? 3) What type

Figure 1. Time in days. Use information from Figure 1 to calculate the half-life of the radioactive isotope.

Radioactivity Past Exam Questions Q. Different radioactive isotopes have different values of half-life. (a) What is meant by the half-life of a radioactive isotope?......... (b) Figure shows how the count

Part 12- Physics Paper 1 Atomic Structure Knowledge Questions

Part 12- Physics Paper 1 Atomic Structure Knowledge Questions Internal energy and energy transfers Internal energy and energy transfers Changes of state and the particle model Particle Model of Matter

CHAPTER 12 TEST REVIEW

IB PHYSICS Name: Period: Date: # Marks: 76 Raw Score: IB Curve: DEVIL PHYSICS BADDEST CLASS ON CAMPUS CHAPTER 12 TEST REVIEW 1. An alpha particle is accelerated through a potential difference of 10 kv.

Use the graph to show that, after a time of 500 s, about nuclei are decaying every second.

1 The graph below shows the number of radioactive nuclei remaining in a sample of material against time. The radioactive isotope decays to a non-radioactive element. (a) Use the graph to show that, after

Teacher: Mr. gerraputa. Name: Which two radioisotopes have the same decay mode?

Teacher: Mr. gerraputa Print Close Name: 1 Which two radioisotopes have the same decay mode? 37 Ca and 53 Fe 220 Fr and 60 Co 37 K and 42 K 99 Tc and 19 Ne 1 5. 3 Exactly how much time must elapse before

Name Date Class NUCLEAR CHEMISTRY. Standard Curriculum Core content Extension topics

28 NUCLEAR CHEMISTRY Conceptual Curriculum Concrete concepts More abstract concepts or math/problem-solving Standard Curriculum Core content Extension topics Honors Curriculum Core honors content Options

Part 12- Physics Paper 1 Atomic Structure Application Questions Triple Science

Part 12- Physics Paper 1 Atomic Structure Application Questions Triple Science Internal energy and energy transfers Internal energy and energy transfers Changes of state and the particle model Particle

Chapter 3 Radioactivity

Chapter 3 Radioactivity Marie Curie 1867 1934 Discovered new radioactive elements Shared Nobel Prize in physics in 1903 Nobel Prize in Chemistry in 1911 Radioactivity Radioactivity is the spontaneous emission

Nuclear Chemistry - HW

Nuclear Chemistry - HW PSI AP Chemistry Name 1) In balancing the nuclear reaction 238 92U 234 90E + 4 2He, the identity of element E is. A) Pu B) Np C) U D) Pa E) Th 2) This reaction is an example of.

What type of radiation is emitted when a uranium-238 atom decays? From which part of a uranium-238 atom is the radiation emitted?

Q1. (a) Some rocks inside the Earth contain uranium-238, a radioactive isotope of uranium. When an atom of uranium-238 decays, it gives out radiation and changes into a thorium-234 atom. What type of radiation

Atomic Structure and Nuclear Chemistry Multiple Choice Questions PSI Chemistry

Atomic Structure and Nuclear Chemistry Multiple Choice Questions PSI Chemistry Name: 1. What was the first particle discovered inside an atom? A. Proton C. Electron 2. What characteristic of cathode rays

LECTURE 26 RADIATION AND RADIOACTIVITY. Instructor: Kazumi Tolich

LECTURE 26 RADIATION AND RADIOACTIVITY Instructor: Kazumi Tolich Lecture 26 2 30.4 Radiation and radioactivity Alpha decay Beta decay Gamma decay Decay series Nuclear radiation is a form of ionizing radiation

Radioactivity. The Nobel Prize in Physics 1903 for their work on radioactivity. Henri Becquerel Pierre Curie Marie Curie

Radioactivity Toward the end of the 19 th century, minerals were found that would darken a photographic plate even in the absence of light. This phenomenon is now called radioactivity. Marie and Pierre

Q1. The diagram represents an atom of lithium.

Q1. The diagram represents an atom of lithium. Complete the diagram by writing in the spaces the name of each type of particle. Use only words given in the box. Each word may be used once or not at all.

KCSE 2009 PHYSICS PAPER 2

KCSE 2009 PHYSICS PAPER 2 SECTION A (25 MARKS) Answer all the questions in this section in the spaces provided 1. State the number of images formed when an object is between two plane mirror placed in

MockTime.com. Ans: (b) Q6. Curie is a unit of [1989] (a) energy of gamma-rays (b) half-life (c) radioactivity (d) intensity of gamma-rays Ans: (c)

Chapter Nuclei Q1. A radioactive sample with a half life of 1 month has the label: Activity = 2 micro curies on 1 8 1991. What would be its activity two months earlier? [1988] 1.0 micro curie 0.5 micro

) The nucleus of an atom, when compared to the entire atom, is (Circle two).

Unit 3: The Atom Review Packet Directions: Answer the following questions WITHOUT using your notes first. This will be a great way to study for your test. Then, get out your notes and go back and fill

CHAPTER 19 THE ATOMIC NUCLEUS NUCLEAR STRUCTURE The nucleus consists of protons and neutrons. A protonis a positively charged particle having mass 1.6726 x 10(-27) kg and charge 1.6 x 10(-19) coulomb.

4 α or 4 2 He. Radioactivity. Exercise 9 Page 1. Illinois Central College CHEMISTRY 132 Laboratory Section:

Exercise 9 Page 1 Illinois Central College CHEMISTRY 132 Laboratory Section: Radioactivity Name: Equipment Geiger Counter Alpha, Beta, and Gamma source Objectives The objectives of this experiment are

Radioactive Decay and Radiometric Dating

Radioactive Decay and Radiometric Dating Extra credit: chapter 7 in Bryson See online (link fixed) or moodle Radioactivity and radiometric dating Atomic nucleus Radioactivity Allows us to put numerical

Nuclear Chemistry. Nuclear Terminology

Nuclear Chemistry Up to now, we have been concerned mainly with the electrons in the elements the nucleus has just been a positively charged things that attracts electrons The nucleus may also undergo

Unit 1 Atomic Structure

Unit 1 Atomic Structure 3-1 The Atom: From Philosophical Idea to Scientific Theory I. Atomic Theory A. Modern Atomic Theory 1. All matter is made up of very tiny particles called atoms 2. Atoms of the

1. This question is about the Rutherford model of the atom.

1. This question is about the Rutherford model of the atom. (a) Most alpha particles used to bombard a thin gold foil pass through the foil without a significant change in direction. A few alpha particles

2. With the help of diagram explain the Edison s discovery of thermionic emission. Mention the observations and the conclusion.

Work Sheet - 1 1. Explain the following terms i) Bound Electrons ii) Conduction/free electrons iii) Work function iv) Thermionic emission 2. With the help of diagram explain the Edison s discovery of thermionic

Chapter 3. Radioactivity. Table of Contents

Radioactivity Table of Contents Introduction 1. Radioactivity 2. Types of Radioactive Decays 3. Natural Radioactivity 4. Artificial Radioactivity 5. The Rate of Radioactive Decay 6. The Effects of Radiation

Radioactivity & Nuclear. Chemistry. Mr. Matthew Totaro Legacy High School. Chemistry

Radioactivity & Nuclear Chemistry Mr. Matthew Totaro Legacy High School Chemistry The Discovery of Radioactivity Antoine-Henri Becquerel designed an experiment to determine if phosphorescent minerals also

GraspIT AQA Atomic Structure Questions

A. Atomic structure Atoms and isotopes 1. a) The diagram shows an atom of Beryllium. Name the parts labelled a, b and c. (3) electron (1) neutron (1) proton (1) b) What is the atomic mass of this atom?

M1. (a) (i) cannot penetrate aluminium allow can only pass through air / paper too weak is neutral 1

M. (a) (i) cannot penetrate aluminium allow can only pass through air / paper too weak is neutral gamma rays not affected (by aluminium) allow all / most (gamma rays) to pass through too strong is neutral

P7 Radioactivity. Student Book answers. P7.1 Atoms and radiation. Question Answer Marks Guidance

P7. Atoms and radiation a radiation from U consists = particles, radiation from lamp = electromagnetic waves, radiation from U is ionising, radiation from lamp is non-ionising b radioactive atoms have

Chapter 21

Chapter 21 http://youtu.be/kwasz59f8ga Nuclear reactions involve the nucleus The nucleus opens, and protons and neutrons are rearranged. The opening of the nucleus releases a tremendous amount of energy

Strand J. Atomic Structure. Unit 2. Radioactivity. Text

Strand J. Atomic Structure Unit 2. Radioactivity Contents Page Unstable Nuclei 2 Alpha, Beta and Gamma Radiation 5 Balancing Equations for Radioactive Decay 10 Half Life 12 J.2.1. Unstable Nuclei. The

Year 11 Physics booklet Topic 1 Atomic structure and radioactivity Name:

Year 11 Physics booklet Topic 1 Atomic structure and radioactivity Name: Atomic structure and radioactivity Give a definition for each of these key words: Atom Isotope Proton Neutron Electron Atomic nucleus

Chapter 30 Nuclear Physics and Radioactivity

Chapter 30 Nuclear Physics and Radioactivity 30.1 Structure and Properties of the Nucleus Nucleus is made of protons and neutrons Proton has positive charge: Neutron is electrically neutral: 30.1 Structure

AEPHY: Nuclear Physics Practise Test

AEPHY: Nuclear Physics Practise Test Name: OVERALL: Additional 1 mark for units and significant figures. 1. Complete the table below: (2 marks) (63 marks + overall = 64 marks) Element Nuclide Atomic Number

RADIOACTIVITY & HALF-LIFE Part 2

RADIOACTIVITY & HALF-LIFE Part 2 Radioactivity Radioactivity: Results from radioactive decay, which is the process whereby unstable atomic nuclei transform and emit radiation. Has existed longer than the

In 1808 John Dalton proposed that:

In 1808 John Dalton proposed that: all matter is made up of atoms which cannot be subdivided atoms of the same element are identical atoms of different elements have different masses atoms combine together

Higher -o-o-o- Past Paper questions o-o-o- 3.6 Radiation

Higher -o-o-o- Past Paper questions 1991-2001 -o-o-o- 3.6 Radiation 1992 Q35 A typical reaction produced in the core of a nuclear reactor can be described by the following equation: (a) State the name

Chapter 19 - Nuclear Chemistry Nuclear Stability and Modes of Decay

Chapter 19 - Nuclear Chemistry Nuclear Stability and Modes of Decay History and Discovery of Radioactivity The Discovery of Radioactivity (1896) Antoine-Henri Bequerel designed experiment to determine

Unit 1 Atomic Structure

Unit 1 Atomic Structure Defining the Atom I. Atomic Theory A. Modern Atomic Theory 1. All matter is made up of very tiny particles called atoms 2. Atoms of the same element are chemically alike 3. Individual

Unit 13: Nuclear Practice Packet Regents Chemistry: Practice Packet: Unit 13 Nuclear Chemistry

Unit 13: Nuclear Practice Packet Regents Chemistry: Practice Packet: Unit 13 Nuclear Chemistry 1 Unit 13: Nuclear Practice Packet Lesson 1: Radioactive Decay Objective: Construct nuclear equations for

SOURCES of RADIOACTIVITY

Section 9: SOURCES of RADIOACTIVITY This section briefly describes various sources of radioactive nuclei, both naturally occurring and those produced artificially (man-made) in, for example, reactors or