Exercises The Atomic Nucleus (pages ) 39.2 Radioactive Decay (pages )
|
|
|
- Amberly Cummings
- 7 years ago
- Views:
Transcription
1 Exercises 39.1 The Atomic Nucleus (pages ) 1.Circle the letter of each nucleon. a. proton b. neutron c. electron d. positron 2. Is the following sentence true or false? The mass of a proton and an electron are nearly the same. 3. Most of an atom s mass is located in its. 4. Describe the relationship between the number of protons and the number of electrons in a neutral atom. 5. Circle the letter of the particle that determines the kind of element and the chemical properties of an atom. a. proton b. neutron c. electron d. positron 6. Describe the primary role of the neutrons in the nucleus of an atom. 7. Circle the letter that best describes the strong force. a. an attractive magnetic force b. a repulsive electric force c. an attractive nuclear force d. an attractive gravitational force 8. Is the following sentence true or false? The strong force acts across large distances. 9. The two major forces that act on a nucleus are the strong force and. 10. A nucleus needs a certain ratio of to to make it stable Radioactive Decay (pages ) 11. What will a lone neutron decay into? 12. Particles that decay spontaneously and emit particles and energy are said to be. 13. Explain what is meant by saying that radioactivity is governed by massenergy equivalence. 14. All atoms with atomic numbers greater than decay in one way or another. Conceptual Physics Reading and Study Workbook 337
2 15. Circle the letter of the name given to the charged particles and energy emitted by an unstable nucleus. a. radiation b. Planck emission c. transmutation d. transuranium 16. Circle the letter of the type of radiation that has a positive charge. a. alpha particle b. gamma ray c. neutrino d. beta particle 17. Is the following sentence true or false? Gamma rays have no charge. 18. The types of radiation that are deflected by a magnetic field are and. 19. Is the following sentence true or false? An alpha particle is identical to a helium nucleus. 20. A(n) is ejected from a nucleus when a neutron is converted into a proton. 21. Is the following sentence true or false? Gamma rays have zero mass. 22. Compare and contrast gamma rays and visible light rays. How are they similar? How are they different? 39.3 Radiation Penetrating Power (pages ) 23. Is the following sentence true or false? Alpha, beta, and gamma radiation have roughly equal abilities to penetrate matter. 24. Radiation with a large and a small will have the greatest penetrating ability. 25. Based on the figure to the right, circle the letter that correctly ranks the types of radiation from least penetrating to most penetrating. a. alpha particles, gamma rays, beta particles b. gamma rays, beta particles, alpha particles c. alpha particles, beta particles, gamma rays d. gamma rays, alpha particles, beta particles 338 Conceptual Physics Reading and Study Workbook
3 26. Is the following sentence true or false? Gamma rays are not stopped unless they directly strike a metal surface Radioactive Isotopes (pages ) 27. Circle the letter that best describes isotopes of an element. a. same composition and chemical properties b. differing composition and identical chemical properties c. differing composition and differing chemical properties d. same composition and physical properties 28. The atomic number of an atom is the number of in the nucleus. 29. The atomic mass number of an atom is the total number of in the nucleus. 30. In isotope notation form, the 2 in 1 2 Histhe and the 1 is the. 31. Is the following sentence true or false? All isotopes are radioactive Radioactive Half-Life (pages ) 32. Is the following sentence true or false? All radioactive nuclei decay at the same constant rate. 33. Define half-life. Use the following graph to answer Questions 34 and 35. Rate of Decay of Radium 34. The boxes in the graph above represent how much of a sample of radium has decayed over time. What is the half-life of radium? 35. Insert the missing masses on the lines next to the vertical axis of the graph. 36. The of a particular radioisotope is constant and not affected by external conditions. Conceptual Physics Reading and Study Workbook 339
4 39.6 Natural Transmutation of Elements (pages ) 37. What is transmutation? 38. Circle the letter that describes how an atom changes when it undergoes alpha decay. a. its atomic number increases by 2 b. its atomic number decreases by 2 c. its mass number increases by 2 d. its mass number increases by Circle the letter that describes how an atom changes when it undergoes beta decay. a. its mass number increases by 1 b. its atomic number increases by 1 c. its mass number decreases by 1 d. its mass number increases by Is the following sentence true or false? Beta emission has almost no effect on the mass of the nucleus. 41. Is the following sentence true or false? Radioactive nuclei always decay down the periodic table, in the direction of decreased mass Artificial Transmutation of Elements (page 795) 42. Is the following sentence true or false? Transmutation can be forced to occur in laboratory. 43. Who was the first person to transmute an element artificially? 44. What is significant about all of the elements beyond uranium on the periodic table? 39.8 Carbon Dating (pages ) 45. Most of the carbon on Earth exists in the form of. 46. Is the following sentence true or false? All living things contain both carbon-12 and carbon How is the ratio of carbon-14 to carbon-12 in a living organism related to the ratio of carbon-14 to carbon-12 in the atmosphere? 340 Conceptual Physics Reading and Study Workbook
5 48. How do scientists figure out how long ago a plant or animal died using carbon dating? 49. Is the following sentence true or false? Archeologists use carbon dating techniques on skeletons Uranium Dating (page 798) 50. What is uranium dating? 51. How is the percentage of lead isotopes in an ancient uranium-bearing rock related to its age? 52. Circle the letter of the age of the oldest rocks on Earth that have been dated using uranium dating. a. 1.2 million years b. 2.2 million years c. 4.2 billion years d billion years Radioactive Tracers (pages ) 53. Describe what a tracer is. 54. Describe two uses of radioactive tracers Radiation and You (pages ) 55. What are three sources of natural background radiation? 56. Is the following sentence true or false? Cosmic radiation is more intense at lower elevations than at higher elevations. 57. Our bodies are bombarded most by massless chargeless particles called. 58. Circle the letter of the most damaging form of radiation. a. alpha particles b. gamma rays c. beta particles d. positrons 59. Is the following sentence true or false? People who receive high doses of radiation have shorter life expectancies than those who do not. Conceptual Physics Reading and Study Workbook 341
Introduction to Nuclear Physics
Introduction to Nuclear Physics 1. Atomic Structure and the Periodic Table According to the Bohr-Rutherford model of the atom, also called the solar system model, the atom consists of a central nucleus
Main properties of atoms and nucleus
Main properties of atoms and nucleus. Atom Structure.... Structure of Nuclei... 3. Definition of Isotopes... 4. Energy Characteristics of Nuclei... 5. Laws of Radioactive Nuclei Transformation... 3. Atom
Unit 1 Practice Test. Matching
Unit 1 Practice Test Matching Match each item with the correct statement below. a. proton d. electron b. nucleus e. neutron c. atom 1. the smallest particle of an element that retains the properties of
Chemistry 1000 Lecture 2: Nuclear reactions and radiation. Marc R. Roussel
Chemistry 1000 Lecture 2: Nuclear reactions and radiation Marc R. Roussel Nuclear reactions Ordinary chemical reactions do not involve the nuclei, so we can balance these reactions by making sure that
Basics of Nuclear Physics and Fission
Basics of Nuclear Physics and Fission A basic background in nuclear physics for those who want to start at the beginning. Some of the terms used in this factsheet can be found in IEER s on-line glossary.
1. In the general symbol cleus, which of the three letters. 2. What is the mass number of an alpha particle?
1. In the general symbol cleus, which of the three letters Z A X for a nu represents the atomic number? 2. What is the mass number of an alpha particle? 3. What is the mass number of a beta particle? 4.
For convenience, we may consider an atom in two parts: the nucleus and the electrons.
Atomic structure A. Introduction: In 1808, an English scientist called John Dalton proposed an atomic theory based on experimental findings. (1) Elements are made of extremely small particles called atoms.
22.1 Nuclear Reactions
In the Middle Ages, individuals called alchemists spent a lot of time trying to make gold. Often, they fooled people into believing that they had made gold. Although alchemists never succeeded in making
Objectives 404 CHAPTER 9 RADIATION
Objectives Explain the difference between isotopes of the same element. Describe the force that holds nucleons together. Explain the relationship between mass and energy according to Einstein s theory
Nuclear Physics. Nuclear Physics comprises the study of:
Nuclear Physics Nuclear Physics comprises the study of: The general properties of nuclei The particles contained in the nucleus The interaction between these particles Radioactivity and nuclear reactions
Structure and Properties of Atoms
PS-2.1 Compare the subatomic particles (protons, neutrons, electrons) of an atom with regard to mass, location, and charge, and explain how these particles affect the properties of an atom (including identity,
Physics 1104 Midterm 2 Review: Solutions
Physics 114 Midterm 2 Review: Solutions These review sheets cover only selected topics from the chemical and nuclear energy chapters and are not meant to be a comprehensive review. Topics covered in these
............... [2] At the time of purchase of a Strontium-90 source, the activity is 3.7 10 6 Bq.
![............... [2] At the time of purchase of a Strontium-90 source, the activity is 3.7 10 6 Bq.](/thumbs/40/21837699.jpg "............... [2] At the time of purchase of a Strontium-90 source, the activity is 3.7 10 6 Bq.")
1 Strontium-90 decays with the emission of a β-particle to form Yttrium-90. The reaction is represented by the equation 90 38 The decay constant is 0.025 year 1. 90 39 0 1 Sr Y + e + 0.55 MeV. (a) Suggest,
Chapter 18: The Structure of the Atom
Chapter 18: The Structure of the Atom 1. For most elements, an atom has A. no neutrons in the nucleus. B. more protons than electrons. C. less neutrons than electrons. D. just as many electrons as protons.
Particle Soup: Big Bang Nucleosynthesis
Name: Partner(s): Lab #7 Particle Soup: Big Bang Nucleosynthesis Purpose The student explores how helium was made in the Big Bang. Introduction Very little helium is made in stars. Yet the universe is
NOTES ON The Structure of the Atom
NOTES ON The Structure of the Atom Chemistry is the study of matter and its properties. Those properties can be explained by examining the atoms that compose the matter. An atom is the smallest particle
Masses in Atomic Units
Nuclear Composition - the forces binding protons and neutrons in the nucleus are much stronger (binding energy of MeV) than the forces binding electrons to the atom (binding energy of ev) - the constituents
Objectives. PAM1014 Introduction to Radiation Physics. Constituents of Atoms. Atoms. Atoms. Atoms. Basic Atomic Theory
PAM1014 Introduction to Radiation Physics Basic Atomic Theory Objectives Introduce and Molecules The periodic Table Electronic Energy Levels Atomic excitation & de-excitation Ionisation Molecules Constituents
Radiation and the Universe Higher Exam revision questions and answers
Radiation and the Universe Higher Exam revision questions and answers Madeley High School Q.The names of three different processes are given in List A. Where these processes happen is given in List B.
Radioactivity III: Measurement of Half Life.
PHY 192 Half Life 1 Radioactivity III: Measurement of Half Life. Introduction This experiment will once again use the apparatus of the first experiment, this time to measure radiation intensity as a function
Instructors Guide: Atoms and Their Isotopes
Instructors Guide: Atoms and Their Isotopes Standards Connections Connections to NSTA Standards for Science Teacher Preparation C.3.a.1 Fundamental structures of atoms and molecules. C.3.b.27 Applications
Nuclear Physics and Radioactivity
Nuclear Physics and Radioactivity 1. The number of electrons in an atom of atomic number Z and mass number A is 1) A 2) Z 3) A+Z 4) A-Z 2. The repulsive force between the positively charged protons does
Lesson 43: Alpha, Beta, & Gamma Decay
Lesson 43: Alpha, Beta, & Gamma Decay The late 18s and early 19s were a period of intense research into the new nuclear realm of physics. In 1896 Henri Becquerel found that a sample of uranium he was doing
Solar Energy Production
Solar Energy Production We re now ready to address the very important question: What makes the Sun shine? Why is this such an important topic in astronomy? As humans, we see in the visible part of the
Radioactivity & Particles
Radioactivity & Particles Introduction... 2 Atomic structure... 2 How are these particles arranged?... 2 Atomic notation... 4 Isotopes... 4 What is radioactivity?... 5 Types of Radiation: alpha, beta and
Chapter NP-5. Nuclear Physics. Nuclear Reactions TABLE OF CONTENTS INTRODUCTION OBJECTIVES 1.0 NUCLEAR REACTIONS 2.0 NEUTRON INTERACTIONS
Chapter NP-5 Nuclear Physics Nuclear Reactions TABLE OF CONTENTS INTRODUCTION OBJECTIVES 1.0 2.0 NEUTRON INTERACTIONS 2.1 ELASTIC SCATTERING 2.2 INELASTIC SCATTERING 2.3 RADIATIVE CAPTURE 2.4 PARTICLE
Homework #10 (749508)
Homework #10 (749508) Current Score: 0 out of 100 Description Homework on quantum physics and radioactivity Instructions Answer all the questions as best you can. 1. Hewitt10 32.E.001. [481697] 0/5 points
3 Atomic Structure 15
3 Atomic Structure 15 3.1 Atoms You need to be familiar with the terms in italics The diameter of the nucleus is approximately 10-15 m and an atom 10-10 m. All matter consists of atoms. An atom can be
PHYA5/1. General Certificate of Education Advanced Level Examination June 2012. Unit 5 Nuclear and Thermal Physics Section A
Centre Number Surname Candidate Number For Examinerʼs Use Other Names Candidate Signature Examinerʼs Initials General Certificate of Education Advanced Level Examination June 2012 Question 1 2 Mark Physics
History of the Atom & Atomic Theory
Chapter 5 History of the Atom & Atomic Theory You re invited to a Thinking Inside the Box Conference Each group should nominate a: o Leader o Writer o Presenter You have 5 minutes to come up with observations
Basic Nuclear Concepts
Section 7: In this section, we present a basic description of atomic nuclei, the stored energy contained within them, their occurrence and stability Basic Nuclear Concepts EARLY DISCOVERIES [see also Section
MASS DEFECT AND BINDING ENERGY
MASS DEFECT AND BINDING ENERGY The separate laws of Conservation of Mass and Conservation of Energy are not applied strictly on the nuclear level. It is possible to convert between mass and energy. Instead
Chapter 17: Radioactivity and Nuclear Chemistry
Chapter 7: Radioactivity and Nuclear Chemistry Problems: -20, 24-30, 32-46, 49-70, 74-88, 99-0 7.2 THE DISCOVERY OF RADIOACTIVITY In 896, a French physicist named Henri Becquerel discovered that uranium-containing
SCH 3UI Unit 2 Outline Up to Quiz #1 Atomic Theory and the Periodic Table
Lesson Topics Covered SCH 3UI Unit 2 Outline Up to Quiz #1 Atomic Theory and the Periodic Table 1 Note: History of Atomic Theory progression of understanding of composition of matter; ancient Greeks and
Atomic Calculations. 2.1 Composition of the Atom. number of protons + number of neutrons = mass number
2.1 Composition of the Atom Atomic Calculations number of protons + number of neutrons = mass number number of neutrons = mass number - number of protons number of protons = number of electrons IF positive
KE A = PE MAX 1/2M v 2 = k q1 q2 /R
CHAPTER 13 NUCLEAR STRUCTURE NUCLEAR FORCE The nucleus is help firmly together by the nuclear or strong force, We can estimate the nuclear force by observing that protons residing about 1fm = 10-15m apart
Chapter Five: Atomic Theory and Structure
Chapter Five: Atomic Theory and Structure Evolution of Atomic Theory The ancient Greek scientist Democritus is often credited with developing the idea of the atom Democritus proposed that matter was, on
PHYA5/1. General Certificate of Education Advanced Level Examination June 2011. Unit 5 Nuclear and Thermal Physics Section A
Centre Number Surname Candidate Number For Examinerʼs Use Other Names Candidate Signature Examinerʼs Initials General Certificate of Education Advanced Level Examination June 2011 Question 1 2 Mark Physics
Environmental Health and Safety Radiation Safety. Module 1. Radiation Safety Fundamentals
Environmental Health and Safety Radiation Safety Module 1 Radiation Safety Fundamentals Atomic Structure Atoms are composed of a variety of subatomic particles. The three of interest to Health Physics
8.7 Exponential Growth and Decay
Section 8.7 Exponential Growth and Decay 847 8.7 Exponential Growth and Decay Exponential Growth Models Recalling the investigations in Section 8.3, we started by developing a formula for discrete compound
Atomic and Nuclear Physics Laboratory (Physics 4780)
Gamma Ray Spectroscopy Week of September 27, 2010 Atomic and Nuclear Physics Laboratory (Physics 4780) The University of Toledo Instructor: Randy Ellingson Gamma Ray Production: Co 60 60 60 27Co28Ni *
WHERE DID ALL THE ELEMENTS COME FROM??
WHERE DID ALL THE ELEMENTS COME FROM?? In the very beginning, both space and time were created in the Big Bang. It happened 13.7 billion years ago. Afterwards, the universe was a very hot, expanding soup
Chapter NP-1. Nuclear Physics. Atomic Nature of Matter TABLE OF CONTENTS INTRODUCTION OBJECTIVES 1.0 PROPERTIES OF SUBSTANCES
Chapter NP-1 Nuclear Physics Atomic Nature of Matter TABLE OF CONTENTS INTRODUCTION OBJECTIVES 1.0 PROPERTIES OF SUBSTANCES 1.1 CHEMICAL AND PHYSICAL PROPERTIES 2.0 COMPOSITION OF ATOMS 2.1 ATOMIC STRUCTURE
Name Date Class ELECTRONS IN ATOMS. Standard Curriculum Core content Extension topics
13 ELECTRONS IN ATOMS Conceptual Curriculum Concrete concepts More abstract concepts or math/problem-solving Standard Curriculum Core content Extension topics Honors Curriculum Core honors content Options
2 The Structure of Atoms
CHAPTER 4 2 The Structure of Atoms SECTION Atoms KEY IDEAS As you read this section, keep these questions in mind: What do atoms of the same element have in common? What are isotopes? How is an element
Antoine Henri Becquerel was born in Paris on December 15, 1852
Discovery Antoine Henri Becquerel was born in Paris on December 15, 1852 Summit Environmental Technologies, Inc. Analytical Laboratories 3310 Win Street Cuyahoga Falls, Ohio 44223 Fax: 1-330-253-4489 Call
Noble Gases. Outline Nobel Gas Elements Radon and Health Chemistry Homework
Radon and Other Noble Gases The elements in the last column of the periodic table are all very stable, mono-atomic gases. Until 1962, they were called inert gases because they did not react with other
Atoms, Ions and Molecules The Building Blocks of Matter
Atoms, Ions and Molecules The Building Blocks of Matter Chapter 2 1 Chapter Outline 2.1 The Rutherford Model of Atomic Structure 2.2 Nuclides and Their Symbols 2.3 Navigating the Periodic Table 2.4 The
Light as a Wave. The Nature of Light. EM Radiation Spectrum. EM Radiation Spectrum. Electromagnetic Radiation
The Nature of Light Light and other forms of radiation carry information to us from distance astronomical objects Visible light is a subset of a huge spectrum of electromagnetic radiation Maxwell pioneered
Medical Physics and Radioactivity
Medical Physics and Radioactivity Radioactivity Unstable nucleus Electromagnetic wave particle Atoms which emit electromagnetic radiation or a particle by the spontaneous transformation of their nucleus
Atomic Structure: Chapter Problems
Atomic Structure: Chapter Problems Bohr Model Class Work 1. Describe the nuclear model of the atom. 2. Explain the problems with the nuclear model of the atom. 3. According to Niels Bohr, what does n stand
Radiometric Dating Lab By Vicky Jordan
Science 8: The Deep Time Diaries Name Date Per Radiometric Dating Lab By Vicky Jordan Problem: How long will it take for 100 atoms of the radioactive parent Carbon-14 to completely decay to the stable
Chapter 21. = 26 10 6 C and point charge
Chapter 21 21.1 What must the distance between point charge 1 26 10 6 C and point charge 2 47 10 6 C for the electrostatic force between them to be 5.70N? The magnitude of the force of attraction is given
Radiometric Dating. Dating Methods for Igneous Rocks
Radiometric Dating why radiometric? although several different dating techniques are employed, all but radiometric dating is able to estimate ages in timescales relevant to astronomers. How it works Radiometric
Thursday 13 June 2013 Morning
THIS IS A NEW SPECIFICATION H Thursday 13 June 2013 Morning GCSE TWENTY FIRST CENTURY SCIENCE PHYSICS A A182/02 Modules P4 P5 P6 (Higher Tier) *A137290613* Candidates answer on the Question Paper. A calculator
APS Science Curriculum Unit Planner
APS Science Curriculum Unit Planner Grade Level/Subject Chemistry Stage 1: Desired Results Enduring Understanding Topic 1: Elements and the Periodic Table: The placement of elements on the periodic table
Nuclear Fusion and Radiation
Nuclear Fusion and Radiation Lecture 8 (Meetings 19, 20, 21 & 22) Eugenio Schuster schuster@lehigh.edu Mechanical Engineering and Mechanics Lehigh University Nuclear Fusion and Radiation p. 1/66 The discovery
2 ATOMIC SYSTEMATICS AND NUCLEAR STRUCTURE
2 ATOMIC SYSTEMATICS AND NUCLEAR STRUCTURE In this chapter the principles and systematics of atomic and nuclear physics are summarised briefly, in order to introduce the existence and characteristics of
ABSORPTION OF BETA AND GAMMA RADIATION
ABSORPTION OF BETA AND GAMMA RADIATION The purpose of this experiment is to understand the interaction of radiation and matter, and the application to radiation detection and shielding Apparatus: 137 Cs
Chapter 2: The Chemical Context of Life
Chapter 2: The Chemical Context of Life Name Period This chapter covers the basics that you may have learned in your chemistry class. Whether your teacher goes over this chapter, or assigns it for you
Origins of the Cosmos Summer 2016. Pre-course assessment
Origins of the Cosmos Summer 2016 Pre-course assessment In order to grant two graduate credits for the workshop, we do require you to spend some hours before arriving at Penn State. We encourage all of
Time allowed: 1 hour 45 minutes
GCSE PHYSICS Foundation Tier Paper 1F F Specimen 2018 Time allowed: 1 hour 45 minutes Materials For this paper you must have: a ruler a calculator the Physics Equation Sheet (enclosed). Instructions Answer
The Sun and Solar Energy
I The Sun and Solar Energy One of the most important forces behind global change on Earth is over 90 million miles distant from the planet. The Sun is the ultimate, original source of the energy that drives
The Models of the Atom
The Models of the Atom All life, whether in the form of trees, whales, mushrooms, bacteria or amoebas, consists of cells. Similarly, all matter, whether in the form of aspirin, gold, vitamins, air or minerals,
6.7: Explaining the Periodic Table pg. 234
Unit C: Atoms, elements, and Compounds 6.7: Explaining the Periodic Table pg. 234 Key Concepts: 3. Elements are organized according to their atomic number and electron arrangement on the periodic table.
9 th Grade Physical Science Springfield Local Schools Common Course Syllabi. Course Description
9 th Grade Physical Science Springfield Local Schools Common Course Syllabi Course Description The purpose of the Physical Science course is to satisfy the Ohio Core science graduation requirement. The
Lesson 6: Earth and the Moon
Lesson 6: Earth and the Moon Reading Assignment Chapter 7.1: Overall Structure of Planet Earth Chapter 7.3: Earth s Interior More Precisely 7-2: Radioactive Dating Chapter 7.5: Earth s Magnetosphere Chapter
Preview of Period 2: Forms of Energy
Preview of Period 2: Forms of Energy 2.1 Forms of Energy How are forms of energy defined? 2.2 Energy Conversions What happens when energy is converted from one form into another form? 2.3 Efficiency of
18.2 Comparing Atoms. Atomic number. Chapter 18
As you know, some substances are made up of only one kind of atom and these substances are called elements. You already know something about a number of elements you ve heard of hydrogen, helium, silver,
Lecture Outlines PowerPoint. Chapter 11 Earth Science, 12e Tarbuck/Lutgens
Lecture Outlines PowerPoint Chapter 11 Earth Science, 12e Tarbuck/Lutgens 2009 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the use of instructors
Pearson Physics Level 30 Unit VIII Atomic Physics: Chapter 17 Solutions
Pearson Physics Level 30 Unit VIII Atomic Physics: Chapter 17 Solutions Student Book page 831 Concept Check Since neutrons have no charge, they do not create ions when passing through the liquid in a bubble
5.1 Evolution of the Atomic Model
5.1 Evolution of the Atomic Model Studying the atom has been a fascination of scientists for hundreds of years. Even Greek philosophers, over 2500 years ago, discussed the idea of there being a smallest
Multiple Choice Identify the choice that best completes the statement or answers the question.
Test 2 f14 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Carbon cycles through the Earth system. During photosynthesis, carbon is a. released from wood
EPA Radionuclides Rule and the RadNet Program
EPA Radionuclides Rule and the RadNet Program Kelly Moran (215) 814-2331 moran.kelly@epa.gov 7/20/2011 U.S. Environmental Protection Agency 1 What is a radionuclide (radioisotope)? element - any one of
Industrial tracers - Finding leaks and blockages
Cancer Treatment Alpha radiation is used to treat various forms of cancer. This process, called unsealed source radiotherapy, involves inserting tiny amounts of radium-226 into cancerous organs. The alpha
Monday 11 June 2012 Afternoon
Monday 11 June 2012 Afternoon A2 GCE PHYSICS B (ADVANCING PHYSICS) G495 Field and Particle Pictures *G412090612* Candidates answer on the Question Paper. OCR supplied materials: Data, Formulae and Relationships
ATOMS: ATOMIC STRUCTURE QUESTIONS AND ANSWERS
ATOMS: ATOMIC STRUCTURE QUESTIONS AND ANSWERS QUESTION ONE: MODELS OF THE ATOM (2011;1) At different times scientists have proposed various descriptions or models of the atom to match experimental evidence
Potassium-Argon (K-Ar) Dating
Potassium-Argon (K-Ar) Dating K-Ar Dating In 10,000 K atoms: 9326 39 K 673 41 K 1 40 K Potassium Decay Potassium Decay Potassium Decay Argon About 1% of atmosphere is argon Three stable isotopes of argon
CHEM 1411 Chapter 5 Homework Answers
1 CHEM 1411 Chapter 5 Homework Answers 1. Which statement regarding the gold foil experiment is false? (a) It was performed by Rutherford and his research group early in the 20 th century. (b) Most of
Nuclear Energy: Nuclear Energy
Introduction Nuclear : Nuclear As we discussed in the last activity, energy is released when isotopes decay. This energy can either be in the form of electromagnetic radiation or the kinetic energy of
EXPERIMENT 4 The Periodic Table - Atoms and Elements
EXPERIMENT 4 The Periodic Table - Atoms and Elements INTRODUCTION Primary substances, called elements, build all the materials around you. There are more than 109 different elements known today. The elements
The Structure of the Atom
The Structure of the Atom Copyright Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. Section 4. Early Ideas About Matter pages 02 05 Section 4. Assessment page 05. Contrast the methods
1.3 Radioactivity and the age of the solar system
1.3. RADIOACTIVITY AND THE AGE OF THE SOLAR SYSTEM 57 1.3 Radioactivity and the age of the solar system Most of you are familiar with the phenomenon of radioactive decay: Certain elements have isotopes
A n = 2 to n = 1. B n = 3 to n = 1. C n = 4 to n = 2. D n = 5 to n = 2
North arolina Testing Program EO hemistry Sample Items Goal 4 1. onsider the spectrum for the hydrogen atom. In which situation will light be produced? 3. Which color of light would a hydrogen atom emit
The Birth of the Universe Newcomer Academy High School Visualization One
The Birth of the Universe Newcomer Academy High School Visualization One Chapter Topic Key Points of Discussion Notes & Vocabulary 1 Birth of The Big Bang Theory Activity 4A the How and when did the universe
About the course GENERAL CHEMISTRY. Recommended literature: Chemistry: science of the matter. Responsible for the course: Dr.
About the course GENERAL CHEMISTRY University of Pécs Medical School Academic year 2009-2010. Responsible for the course: Dr. Attila AGÓCS Optional course for 2 credit points. To have grade at the and
Comparison of natural radioactivity removal methods for drinking water supplies: A review
Comparison of natural radioactivity removal methods for drinking water supplies: A review E. Esmeray, M. E. Aydin Selcuk University Environmental Engineering Department, Konya Turkey e-mail: eesmeray@selcuk.edu.tr
Carbon-14 Dating. or, How Old Are Those M&Ms? Number of Undecayed M&Ms
BRSP - 15 Page 1 Carbon-14 Dating or, How Old Are Those M&Ms? One of the tools available to scientists who study ancient climates is called carbon-14 dating (also known as carbon dating or radiocarbon
Level 3 Achievement Scale
Unit 1: Atoms Level 3 Achievement Scale Can state the key results of the experiments associated with Dalton, Rutherford, Thomson, Chadwick, and Bohr and what this lead each to conclude. Can explain that
Atoms and Elements. Outline Atoms Orbitals and Energy Levels Periodic Properties Homework
Atoms and the Periodic Table The very hot early universe was a plasma with cationic nuclei separated from negatively charged electrons. Plasmas exist today where the energy of the particles is very high,
Monday 21 May 2012 Morning
THIS IS A NEW SPECIFICATION H Monday 21 May 2012 Morning GCSE TWENTY FIRST CENTURY SCIENCE PHYSICS A A182/02 Modules P4 P5 P6 (Higher Tier) *A135280612* Candidates answer on the Question Paper. A calculator
Unit 2 Lesson 1 Introduction to Energy. Copyright Houghton Mifflin Harcourt Publishing Company
Get Energized! What are two types of energy? Energy is the ability to cause change. Energy takes many different forms and causes many different effects. There are two general types of energy: kinetic energy
Atoms, Ions and Molecules The Building Blocks of Matter
Atoms, Ions and Molecules The Building Blocks of Matter Chapter 2 1 Chapter Outline 2.1 The Rutherford Model of Atomic Structure 2.2 Nuclides and Their Symbols 2.3 Navigating the Periodic Table 2.4 The
Atomic Theory Part 1
Atomic Theory Part 1 Reading: Ch 2 sections 1 6, 8 Homework: Chapter 2: 39, 47, 43, 49, 51*, 53, 55, 57, 71, 73, 77, 99, 103 (optional) * = important homework question The Atomic Theory (John Dalton, 1803)
Indiana's Academic Standards 2010 ICP Indiana's Academic Standards 2016 ICP. map) that describe the relationship acceleration, velocity and distance.
.1.1 Measure the motion of objects to understand.1.1 Develop graphical, the relationships among distance, velocity and mathematical, and pictorial acceleration. Develop deeper understanding through representations
Answers to Review Questions for Atomic Theory Quiz #1
Answers to Review Questions for Atomic Theory Quiz #1 Multiple Choice Questions: 1. c 7. a 13. c 19. a 25. b 31. b 37. a 43. d 2. d 8. c 14. c 20. c 26. d 32. c 38. d 44. b 3. b 9. a 15. b 21. c 27. b
Nuclear Science Merit Badge Workbook
Merit Badge Workbook This workbook can help you but you still need to read the merit badge pamphlet. The work space provided for each requirement should be used by the Scout to make notes for discussing
( + and - ) ( - and - ) ( + and + ) Atoms are mostly empty space. = the # of protons in the nucleus. = the # of protons in the nucleus
Atoms are mostly empty space Atomic Structure Two regions of every atom: Nucleus - is made of protons and neutrons - is small and dense Electron cloud -is a region where you might find an electron -is
The content is based on the National Science Teachers Association (NSTA) standards and is aligned with state standards.
Literacy Advantage Physical Science Physical Science Literacy Advantage offers a tightly focused curriculum designed to address fundamental concepts such as the nature and structure of matter, the characteristics