Atomic Structure and Nuclear Chemistry Multiple Choice Questions PSI Chemistry

Size: px
Start display at page:

Download "Atomic Structure and Nuclear Chemistry Multiple Choice Questions PSI Chemistry"

Transcription

1 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 led scientists to believe that they were negatively charged? A. They were small B. They were easily deflected C. They were deflected towards a positive electrode D. They moved quickly 3. Millikan discovered the charge of this subatomic particle by calculating the charge of small oil droplets. A. Electron C. Proton 4. Of the three types of radioactivity characterized by Rutherford, which are particles? A. α-rays, β-rays, and γ-rays B. γ-rays C. α-rays and γ-rays D. α-rays and β-rays 5. Which form of radiation has a positive charge? A. α B. β C. γ D. δ 6. The gold foil experiment. A. confirmed the plum-pudding model of the atom

2 B. led to the discovery of the atomic nucleus C. was the basis for Thomson's model of the atom D. utilized the deflection of beta particles by gold foil 7. The nucleus of an atom does not contain. A. Subatomic particles B. protons or neutrons C. neutrons D. electrons 8. Which subatomic particle has the smallest mass? A. Proton C. Electron 9. Which subatomic particle has a positive charge? A. Proton C. Electron 10. The atomic number indicates. A. the number of neutrons in a nucleus B. the total number of neutrons and protons in a nucleus C. the number of protons in a neutral atom D. the number of atoms in 1 g of an element 11. In the symbol, x 6C, x is. A. the number of neutrons B. the atomic number C. the mass number D. the isotope number 12. There are electrons, protons, and neutrons in an atom of Cs. A. 132, 132, 54 B. 54, 54, 132 C. 78, 78, 54 D. 55, 55, 78

3 13. How many electrons are in an Iron atom? A. 23 B. 26 C. 27 D In balancing the nuclear reaction U E + 4 2He, the identity of element E is. A. Pu B. Np C. Th D. Pa 15. This reaction Po Pb + is an example of. A. alpha decay B. beta emission C. gamma emission D. positron emission 16. The missing product from this reaction is I Te + A. 4 2He B. 0-1e C. 1 0n D. 0 1e 17. This reaction is an example of Ca 41 19K + A. alpha decay B. beta decay C. positron decay D. electron capture 18. Which isotope has 45 neutrons? A Kr B Br C Se D Cl 19. Bombardment of uranium-235 with a neutron generates tellurium-135, 3 neutrons, and. A. zirconium-98.

4 B. krypton-101. C. krypton-103. D. strontium The reaction shown below is responsible for creating 14 C in the atmosphere. What is the bombarding particle? 14 7N C + 1 1H A. alpha particle B. electron C. neutron D. positron 21. What happens to the mass number and the atomic number of an element when it undergoes beta decay? A. Neither the mass number nor the atomic number change. B. The mass number decreases by 4 and the atomic number decreases by 2. C. The mass number does not change and the atomic number increases by 1. D. The mass number does not change and the atomic number decreases by Which one of the following is a correct representation of a beta particle? A. 4 2e B. 1 0β C. 0-1e D. 2 4β 23. Which one of the following processes results in an increase in the atomic number? A. gamma emission B. positron emission C. beta emission D. alpha emission 24. Of the following processes, which one changes the atomic number? A. alpha emission B. beta emission C. electron capture D. positron emission 25. In what type of radioactive decay does the atomic number of the product increase by one? A. alpha B. beta C. gamma D. positron emission

5 26. Which type of radioactive decay results in no change in mass number and atomic number for the starting nucleus? A. alpha B. beta C. positron emission D. gamma ray 27. What happens to the mass number and the atomic number of an element when it emits alpha radiation? A. The mass number remains unchanged while the atomic number decreases by one. B. The mass number decreases by four and the atomic number decreases by two. C. The mass number increases by four and the atomic number increases by two. D. The mass number remains unchanged while the atomic number increases by one. 28. Different isotopes of a particular element contain the same number of. A. protons B. neutrons C. protons and neutrons D. subatomic particles 29. Element X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is amu. i. Isotope % Mass ii. 40 X iii. 41 X iv. 44 X A B C D The beta decay of cesium-137 has a half-life of 30.0 years. How many years must pass to reduce a 25 mg sample of cesium-137 to 8.7 mg? A. 46 B. 32 C. 3.2 D. 52

6 31. The half-life for beta decay of strontium-90 is 28.8 years. A milk sample is found to contain 10.3 ppm strontium-90. How many years would pass before the strontium-90 concentration would drop to 1.0 ppm? A B C. 186 D The half-life of 131 I is years. How much of a mg sample remains after 24 hours? A. 496 mg B. 560 mg C. 219 mg D. 405 mg

7 ANSWER KEY 1. C 2. C 3. A 4. D 5. A 6. B 7. D 8. C 9. A 10. C 11. C 12. D 13. B 14. C 15. A 16. D 17. C 18. B 19. A 20. D 21. C 22. C 23. C 24. B 25. B 26. D 27. B 28. A 29. A 30. D 31. D 32. B

Introduction to Atomic Structure Multiple Choice HW

Introduction to Atomic Structure Multiple Choice HW Introduction to Atomic Structure Multiple Choice HW PSI Chemistry Name------------------------------------------- Energy and Light 1. What principle is responsible for the pattern below: 2. This principal

More information

Nuclear Chemistry - HW

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.

More information

the properties of that element

the properties of that element Name Date Due Atomic Structure and the Periodic Table: Unit Objective Study Guide Part 1 Directions: Write your answers to the following questions in the space provided. For problem solving, all of the

More information

4.1 Structure of the Atom

4.1 Structure of the Atom 4.1 Structure of the Atom How do atoms differ from each other? What are atoms composed of? What are the subatomic particles? 2-1 Structure of the Atom Atoms actually are divisible. They are composed of

More information

4. The mass of a proton is approximately equal to the mass of A an alpha particle C a positron. B a beta particle D a neutron

4. The mass of a proton is approximately equal to the mass of A an alpha particle C a positron. B a beta particle D a neutron 1. Which particles have approximately the same mass? A an electron and an alpha particle B an electron and a proton C a neutron and an alpha particle D a neutron and a proton 2. Which phrase describes

More information

Unit Two: Atomic Structure

Unit Two: Atomic Structure Unit Two: Atomic Structure TEKS 5: The student understands the historical development of the Periodic Table and can apply its predictive power. (b) use the Periodic Table to identify and explain the properties

More information

The Structure of the Atom

The Structure of the Atom The Structure of the Atom Section 4.1 Early Theories of Matter In your textbook, read about the philosophers, John Dalton, and defining the atom. For each statement below, write true or false. 1. Ancient

More information

2. Electrons: e - charge = negative -1 mass ~ 0

2. Electrons: e - charge = negative -1 mass ~ 0 Notes Ch. and 5: Atomic Structure and Nuclear Chemistry History and Structure the Nuclear Atom The Atom smallest particle an element that retains all properties the element I. Early Models the Atom A.

More information

Mass number i. Example U (uranium 235) and U (uranium 238) atomic number e. Average atomic mass weighted of the isotopes of that element i.

Mass number i. Example U (uranium 235) and U (uranium 238) atomic number e. Average atomic mass weighted of the isotopes of that element i. CP NT Ch. 4&25 I. Atomic Theory and Structure of the Atom a. Democritus all matter consists of very small, indivisible particles, which he named i. Atom smallest particle of an element that retains all

More information

D) g. 2. In which pair do the particles have approximately the same mass?

D) g. 2. In which pair do the particles have approximately the same mass? 1. A student constructs a model for comparing the masses of subatomic particles. The student selects a small, metal sphere with a mass of gram to represent an electron. A sphere with which mass would be

More information

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

) 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

More information

Nuclear Reactions Homework Unit 13 - Topic 4

Nuclear Reactions Homework Unit 13 - Topic 4 Nuclear Reactions Homework Unit 13 - Topic 4 Use the laws of conservation of mass number and charge to determine the identity of X in the equations below. Refer to a periodic table as needed. 222 a. Rn

More information

Information Nuclide = is an atomic species characterized by the specific constitution of its nucleus (protons and neutrons) Neutron

Information Nuclide = is an atomic species characterized by the specific constitution of its nucleus (protons and neutrons) Neutron NAME: DUE DATE: JULY nd AP Chemistry SUMMER REV: Balancing Nuclear Reactions Why? Nuclear reactions are going on all around us in the form of transmutation, fission and fusion. Using correctly balanced

More information

Chapter 4. Atomic Structure

Chapter 4. Atomic Structure Chapter 4 Atomic Structure Warm Up We have not discussed this material, what do you know already?? What is an atom? What are electron, neutrons, and protons? Draw a picture of an atom from what you know

More information

Honors Chemistry Unit 2: The Atom & Its Nucleus

Honors Chemistry Unit 2: The Atom & Its Nucleus Honors Chemistry Unit 2: The Atom & Its Nucleus (2017-2018) Bunsen, I must tell you how excellent your study of chemical spectroscopy is, as is your pioneer work in photochemistry but what really impresses

More information

Unit 2: Atomic Theory Notes

Unit 2: Atomic Theory Notes Unit 2: Atomic Theory Notes The changing of a substance into one or more new substances is known as a chemical reaction. Law of conservation of mass: mass is neither created nor destroyed during ordinary

More information

Chapter 2. Atoms and the Periodic Table. Chemistry: Atoms First Julia Burdge & Jason Overby

Chapter 2. Atoms and the Periodic Table. Chemistry: Atoms First Julia Burdge & Jason Overby Chemistry: Atoms First Julia Burdge & Jason Overby Chapter 2 Atoms and the Periodic Table Copyright (c) The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 2 Atoms and the

More information

CHEMISTRY. Matter and Change. Table Of Contents. Section 4.1 Early Ideas About Matter. Unstable Nuclei and Radioactive Decay

CHEMISTRY. Matter and Change. Table Of Contents. Section 4.1 Early Ideas About Matter. Unstable Nuclei and Radioactive Decay CHEMISTRY 4 Table Of Contents Matter and Change Section 4.1 Early Ideas About Matter Chapter 4: The Structure of the Atom Section 4.2 Section 4.3 Section 4.4 Defining the Atom How Atoms Differ Unstable

More information

Unit 2 Atomic Structure and Nuclear Chemistry

Unit 2 Atomic Structure and Nuclear Chemistry Chemistry 1 West Linn High School Unit 2 Packet and Goals Name: Period: Unit 2 Atomic Structure and Nuclear Chemistry Unit Goals: As you work through this unit, you should be able to: 1. describe Dalton

More information

Structure of the Nuclear Atom

Structure of the Nuclear Atom Structure of the Nuclear Atom I. The II. A. The is the smallest particle of an element that retains its of the element. History of the Atom A. Democritus 1. Democritus (460 B.C. 370 B.C) was the first

More information

Chapter 4 Jeopardy Review

Chapter 4 Jeopardy Review Chapter 4 Jeopardy Review Atom Models of the Atom Atomic Theory Calculating Subatomic Particles Isotopes 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500

More information

Atomic Concepts and Nuclear Chemistry Regents Review

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

More information

Unit 3 Atomic Structure Chapter 3 of your book.

Unit 3 Atomic Structure Chapter 3 of your book. Unit 3 Atomic Structure Chapter 3 of your book. Early Booklet E.C.: / 2 Unit 3 Hwk. Pts: / 24 Unit 3 Lab Pts: / 16 Late, Incomplete, No Work, No Units Fees? Y / N Learning Targets for Unit 3 1.1 I can

More information

Nuclear Chemistry Notes

Nuclear Chemistry Notes Nuclear Chemistry Notes Definitions Nucleons: Subatomic particles in the nucleus : protons and neutrons Radionuclides: Radioactive nuclei. Unstable nuclei that spontaneously emit particles and electromagnetic

More information

7.1 Development of a Modern Atomic Theory

7.1 Development of a Modern Atomic Theory 7.1 Development of a Modern Atomic Theory Development of the Atomic Theory Many scientists in different countries have contributed to the understanding of matter - atoms John Dalton Credited with developing

More information

Scientist wanted to understand how the atom looked. It was known that matter was neutral. It was known that matter had mass

Scientist wanted to understand how the atom looked. It was known that matter was neutral. It was known that matter had mass Atom Models Scientist wanted to understand how the atom looked It was known that matter was neutral It was known that matter had mass They used these ideas to come up with their models, however science

More information

Name: Date: Atomic Structure 2017 Mrs. Mannion Version 1

Name: Date: Atomic Structure 2017 Mrs. Mannion Version 1 Name: Atomic Structure 2017 1. The mass of a proton is approximately equal to the mass of A) a beta particle B) an electron C) an alpha particle D) a neutron 2. What are the characteristics of a neutron?

More information

GraspIT AQA Atomic Structure Questions

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?

More information

Isotopes and Radioactive Decay

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

More information

Physics 30 Modern Physics Unit: Atomic Basics

Physics 30 Modern Physics Unit: Atomic Basics Physics 30 Modern Physics Unit: Atomic Basics Models of the Atom The Greeks believed that if you kept dividing matter into smaller and smaller pieces, you would eventually come to a bit of matter that

More information

Atom Practice Test (#1) 1) What is the total number of valence electrons in an atom with the electron configuration 2-8-5? a) 2 b) 5 c) 8 d) 15

Atom Practice Test (#1) 1) What is the total number of valence electrons in an atom with the electron configuration 2-8-5? a) 2 b) 5 c) 8 d) 15 Atom Practice Test (#1) Name Multiple Choice 1 pt. each 1) What is the total number of valence electrons in an atom with the electron configuration 2-8-5? a) 2 b) 5 c) 8 d) 15 2) A Ca 2+ ion differs from

More information

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

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

More information

SCIENCE 10: (7.1) ATOMIC THEORY, ISOTOPES AND RADIOACTIVE DECAY Name: Date: Block: (Textbook Reference pp in BC Science 10) into an

SCIENCE 10: (7.1) ATOMIC THEORY, ISOTOPES AND RADIOACTIVE DECAY Name: Date: Block: (Textbook Reference pp in BC Science 10) into an SCIENCE 10: (7.1) ATOMIC THEORY, ISOTOPES AND RADIOACTIVE DECAY Name: Date: Block: (Textbook Reference pp. 286-301 in BC Science 10) Natural background radiation: It has the ability to interact with an

More information

Chapter 4 The Atom. Philosophers and scientists have proposed many ideas on the structure of atoms.

Chapter 4 The Atom. Philosophers and scientists have proposed many ideas on the structure of atoms. Chapter4 TheAtom 4.1 Early Models of the Atom An atom is the smallest particle of an element that retains its identity in a chemical reaction. Philosophers and scientists have proposed many ideas on the

More information

CHAPTER 4 Atomic Structure

CHAPTER 4 Atomic Structure CHAPTER 4 Atomic Structure 4.1 Early Theories of Matter Earth, Water, Air, Fire Matter was thought to be infinitely divisible No method was available to test theories Democritus (460 B.C. 370 B.C.) First

More information

Nuclear Physics Questions. 1. What particles make up the nucleus? What is the general term for them? What are those particles composed of?

Nuclear Physics Questions. 1. What particles make up the nucleus? What is the general term for them? What are those particles composed of? Nuclear Physics Questions 1. What particles make up the nucleus? What is the general term for them? What are those particles composed of? 2. What is the definition of the atomic number? What is its symbol?

More information

Atomic Structure & Nuclear Chemistry Unit 3 Notes

Atomic Structure & Nuclear Chemistry Unit 3 Notes Atomic Structure & Nuclear Chemistry Unit 3 Notes Academic Chemistry Name 52 24 Cr Mass Number Symbol Atomic Number Unit #3 Test Date You can never learn less, you can only learn more. R. Buckminster Fuller

More information

JJ Thompson (1897) Robert Millikan (1909)

JJ Thompson (1897) Robert Millikan (1909) Atomic Structure Matter Consists of Particles Aristotle Democritus John Dalton 183 I am a genius! Atomic Theory of Matter based on the following postulates: 1) Each element is composed of particles called

More information

a. According to Dalton, what is inside the atom? Nothing, the atom it the smallest

a. According to Dalton, what is inside the atom? Nothing, the atom it the smallest Unit 3: Review SCIENTIFIC THEORIES Dalton theorized that atoms were the smallest particle and could not be divided. Atoms can bond with one another in whole number ratios to form compounds but cannot be

More information

In 1931 scientists thought that atoms contained only protons and electrons.

In 1931 scientists thought that atoms contained only protons and electrons. 1 The diagram shows the structure of an atom. Not drawn to scale In 1931 scientists thought that atoms contained only protons and electrons. Suggest what happened in 1932 to change the idea that atoms

More information

1. Explain the law of conservation of mass in your own words. Matter is neither created nor destroyed in a chemical reaction.

1. Explain the law of conservation of mass in your own words. Matter is neither created nor destroyed in a chemical reaction. Chapter 3 Exam Review KEY I. Atomic Theory 1. Explain the law of conservation of mass in your own words. Matter is neither created nor destroyed in a chemical reaction. 2. What were Rutherford s two main

More information

Chapter 4. The structure of the atom. AL-COS Objectives 1, 2,3,4,7, 10, 15, 20, 21, 22, 27and 28

Chapter 4. The structure of the atom. AL-COS Objectives 1, 2,3,4,7, 10, 15, 20, 21, 22, 27and 28 Chapter 4 The structure of the atom AL-COS Objectives 1, 2,3,4,7, 10, 15, 20, 21, 22, 27and 28 You ll learn to Identify the experiments that led to the development of the nuclear model of atomic structure

More information

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

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

More information

Name Chemistry-PAP Per. Notes: Atomic Structure

Name Chemistry-PAP Per. Notes: Atomic Structure Name Chemistry-PAP Per. I. Historical Development of the Atomic Model Ancient Greek Model Notes: Atomic Structure Democritus (460-370 BC) was an ancient Greek philosopher credited with the first particle

More information

Unit 12: Nuclear Chemistry

Unit 12: Nuclear Chemistry Unit 12: Nuclear Chemistry 1. Stability of isotopes is based on the ratio of neutrons and protons in its nucleus. Although most nuclei are stable, some are unstable and spontaneously decay, emitting radiation.

More information

General, Organic, and Biological Chemistry, 3e (Frost) Chapter 2 Atoms and Radioactivity. 2.1 Multiple-Choice

General, Organic, and Biological Chemistry, 3e (Frost) Chapter 2 Atoms and Radioactivity. 2.1 Multiple-Choice General, Organic, and Biological Chemistry, 3e (Frost) Chapter 2 Atoms and Radioactivity 2.1 Multiple-Choice 1) The smallest particle of an element that can be identified as that element is: A) a proton

More information

Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.

Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Radioactivity Test Review Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Radioactive s have unstable a. electrons. c. protons. b. nuclei.

More information

Accelerated Chemistry Study Guide Atomic Structure, Chapter 3

Accelerated Chemistry Study Guide Atomic Structure, Chapter 3 Accelerated Chemistry Study Guide Atomic Structure, Chapter 3 Terms and definitions atom ion law of constant composition isotope atomic theory of matter mass number cathode ray tube atomic mass electron

More information

Chapter 3 Atoms: The Building Blocks of Matter. Honors Chemistry 412

Chapter 3 Atoms: The Building Blocks of Matter. Honors Chemistry 412 Chapter 3 Atoms: The Building Blocks of Matter Honors Chemistry 412 Foundations of Atomic Theory Democritus Greek Philosopher 460-370 B.C. Stated Matter could be divided into smaller & smaller particles

More information

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

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

More information

Chapter 3. Radioactivity. Table of Contents

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

More information

PreAP Chemistry. Unit 4 Atomic Structure, the Periodic Table, and Nuclear Radiation

PreAP Chemistry. Unit 4 Atomic Structure, the Periodic Table, and Nuclear Radiation PreAP Chemistry Unit 4 Atomic Structure, the Periodic Table, and Nuclear Radiation Democritus A Greek who lived ~400 BC, was the first to suggest the existence of atoms. He believed atoms to be indivisible

More information

Atoms and Nuclear Chemistry. Atoms Isotopes Calculating Average Atomic Mass Radioactivity

Atoms and Nuclear Chemistry. Atoms Isotopes Calculating Average Atomic Mass Radioactivity Atoms and Nuclear Chemistry Atoms Isotopes Calculating Average Atomic Mass Radioactivity Atoms An atom is the smallest particle of an element that has all of the properties of that element. Composition

More information

Name Date Class DEFINING THE ATOM

Name Date Class DEFINING THE ATOM 4.1 DEFINING THE ATOM Section Review Objectives Describe Democritus s ideas about atoms Explain Dalton s atomic theory Describe the size of an atom Vocabulary atom Dalton s atomic theory Part A Completion

More information

Atomic Structure. ppst.com

Atomic Structure. ppst.com Atomic Structure ppst.com Defining the Atom The Greek philosopher (460 B.C. 370 B.C.) was among the first to suggest the existence of atoms (from the Greek word ) He believed that atoms were and His ideas

More information

Nuclear Chemistry. Atomic Structure Notes Start on Slide 20 from the second class lecture

Nuclear Chemistry. Atomic Structure Notes Start on Slide 20 from the second class lecture Nuclear Chemistry Atomic Structure Notes Start on Slide 20 from the second class lecture The Birth of an Idea Democritus, 400 B.C. coined the term atom If you divide matter into smaller and smaller pieces,

More information

Atoms have two separate parts. The nucleus and the electron cloud.

Atoms have two separate parts. The nucleus and the electron cloud. Name Ch. 5 - Atomic Structure Pre-AP Modern Atomic Theory All atoms are made of three subatomic (smaller than the atom) particles: the protons, the electrons and the neutrons. (P.E.N. s) There are particles

More information

In 1808 John Dalton proposed that:

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

More information

AnswerIT! Atoms and isotopes. Structure of an atom Mass number, atomic number and isotopes Development of the model of the atom.

AnswerIT! Atoms and isotopes. Structure of an atom Mass number, atomic number and isotopes Development of the model of the atom. AnswerIT! Atoms and isotopes Structure of an atom Mass number, atomic number and isotopes Development of the model of the atom. Atoms and isotopes - AnswerIT 1. The diameter of an atom is about 0.000 000

More information

Ch. 4 Notes THE STRUCTURE OF THE ATOM NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics.

Ch. 4 Notes THE STRUCTURE OF THE ATOM NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics. Ch. 4 Notes THE STRUCTURE OF THE ATOM NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics. I. Early Ideas About Matter A. atom the smallest particle of an element retaining

More information

Chapter 4. Atomic Structure

Chapter 4. Atomic Structure Chapter 4 Atomic Structure Warm Up We have not yet discussed this material, but what do you know already?? What is an atom? What are electron, neutrons, and protons? Draw a picture of an atom from what

More information

Atomic Theory. Contribution to Modern Atomic Theory

Atomic Theory. Contribution to Modern Atomic Theory Alief High School Chemistry STAAR Review Reporting Category 2: Atomic Structure and Nuclear Chemistry C.6.A Understand the experimental design and conclusions used in the development of modern atomic theory,

More information

Title: Chem Review 2 TOPIC: DISCOVERY OF ATOM

Title: Chem Review 2 TOPIC: DISCOVERY OF ATOM Title: Chem Review 2 TOPIC: DISCOVERY OF ATOM EQ: How were the 3 subatomic particles discovered? Title and Highlight Topic: EQ: Date Reflect Question: Reflect on the material by asking a question (its

More information

Student Exploration: Nuclear Decay

Student Exploration: Nuclear Decay Name: Date: Student Exploration: Nuclear Decay Vocabulary: alpha particle, atomic number, beta particle, daughter product, gamma ray, isotope, mass number, nuclear decay, positron, radioactive, subatomic

More information

TEST REVIEW GCAA Chemistry Atoms. A. Excited B. Energy C. Orbital D. Plum Pudding Model

TEST REVIEW GCAA Chemistry Atoms. A. Excited B. Energy C. Orbital D. Plum Pudding Model TEST REVIEW GCAA Chemistry Atoms From the Hangman Game-----Match the answers correctly! A. Excited B. Energy C. Orbital D. Plum Pudding Model E. Bohr F. Electron G. Frequency H. Neutron I. Thomson J. alpha

More information

NJCTL.org 2015 AP Physics 2 Nuclear Physics

NJCTL.org 2015 AP Physics 2 Nuclear Physics AP Physics 2 Questions 1. What particles make up the nucleus? What is the general term for them? What are those particles composed of? 2. What is the definition of the atomic number? What is its symbol?

More information

Chapter 2. Atoms and the Periodic Table. Chemistry: Atoms First Third Edition Julia Burdge and Jason Overby

Chapter 2. Atoms and the Periodic Table. Chemistry: Atoms First Third Edition Julia Burdge and Jason Overby Chemistry: Atoms First Third Edition Julia Burdge and Jason Overby Chapter 2 Atoms and the Periodic Table Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter

More information

Chapter 3: Atomic Theory

Chapter 3: Atomic Theory Chapter 3: Atomic Theory and Elements, Atoms, Compounds & Ions A. The Elements All of the materials in the universe can be chemically broken down into about 100 different elements. 1. Element can have

More information

5. The outermost principal energy level electron configuration of the element bromine is: a. 4s 2 c. 4s 2 4p 5 b. 4p 5 d.

5. The outermost principal energy level electron configuration of the element bromine is: a. 4s 2 c. 4s 2 4p 5 b. 4p 5 d. 1 c E = h 1. Sodium and potassium have similar properties because they have the same a. atomic radii. c. number of valence electrons. b. ionization energy. d. electronegativity. 2. Electrons must be added

More information

Atomic Structure. 1. Democritus 2. Dalton 3. Thompson 4. Millikan 5. Moseley 6. Bohr 7. Rutherford 8. Schrodinger. October 03, 2014.

Atomic Structure. 1. Democritus 2. Dalton 3. Thompson 4. Millikan 5. Moseley 6. Bohr 7. Rutherford 8. Schrodinger. October 03, 2014. October 03, 2014 Atomic Structure Chapter 4 Democritus's Atomic Philosophy 1. Democritus 2. Dalton 3. Thompson 4. Millikan 5. Moseley 6. Bohr 7. Rutherford 8. Schrodinger Aristotle -Rejected the idea of

More information

11. The bright-line spectra produced by four elements are represented in the diagram below.

11. The bright-line spectra produced by four elements are represented in the diagram below. 1. Which substance can not be broken down by a chemical change? A) ammonia B) ethanol C) propanal D) zirconium 2. Which particle has no charge? A) electron B) neutron C) positron D) proton 3. Which phrase

More information

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

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

More information

Atomic Theory. Democritus to the Planetary Model

Atomic Theory. Democritus to the Planetary Model Atomic Theory Democritus to the Planetary Model Democritus Greek philosopher (460-370 BCE) Believed in the philosophy of materialism With Leucippus, they though that matter can not be divided infinitely.

More information

General, Organic, and Biochemistry, 2e (Frost) Chapter 2 Atoms and Radioactivity. 2.1 Multiple-Choice

General, Organic, and Biochemistry, 2e (Frost) Chapter 2 Atoms and Radioactivity. 2.1 Multiple-Choice General, Organic, and Biochemistry, 2e (Frost) Chapter 2 Atoms and Radioactivity 2.1 Multiple-Choice 1) Two atoms must represent the same element if they both have the same: A) number of electron shells

More information

Practice Packet Unit 4: Atomic Structure

Practice Packet Unit 4: Atomic Structure Name: Regents Chemistry Practice Packet Unit 4: Atomic Structure Assess Yourself: Vocab: Lesson 1: Lesson 2: Lesson 3: Lesson 4: Lesson 5: Lesson 6: Lesson 7: 1 Vocabulary: Check your understanding. Describe

More information

Radioactive Decay What is Radioactivity? http://explorecuriocity.org/explore/articleid/3033 http://explorecuriocity.org/explore/articleid/3035 http://explorecuriocity.org/explore/articleid/2160 Quick Review

More information

Atomic Structure and Nuclear Unit 3 Test Review

Atomic Structure and Nuclear Unit 3 Test Review Atomic Structure and Nuclear Unit 3 Test Review WEST on Thursdav 10ÿ_ Parts of the atom: Learning Goals o Describe the three subatomic particles: o protons, e neutrons o electrons. o Determine the atomic

More information

Democritus & Leucippus (~400 BC) Greek philosophers: first to propose that matter is made up of particles called atomos, the Greek word for atoms

Democritus & Leucippus (~400 BC) Greek philosophers: first to propose that matter is made up of particles called atomos, the Greek word for atoms AP Chemistry Ms. Ye Name Date Block The Evolution of the Atomic Model Since atoms are too small to see even with a very powerful microscope, scientists rely upon indirect evidence and models to help them

More information

Chapter 4 Atomic Structure. Chemistry- Lookabaugh Moore High School

Chapter 4 Atomic Structure. Chemistry- Lookabaugh Moore High School Chapter 4 Atomic Structure Chemistry- Lookabaugh Moore High School Section 4.1 Defining the Atom Democritus (460 B.C 370 B.C.) first used the term atomon to describe the smallest particle of matter possible.

More information

RADIOACTIVITY: spontaneous disintegration of the nucleus of certain atoms accompanied by the emission (release) of particles and/or energy

RADIOACTIVITY: spontaneous disintegration of the nucleus of certain atoms accompanied by the emission (release) of particles and/or energy RADIOACTIVITY: spontaneous disintegration of the nucleus of certain atoms accompanied by the emission (release) of particles and/or energy ~ TRANSMUTATION: the change of one element into another due to

More information

Alta Chemistry CHAPTER 25. Nuclear Chemistry: Radiation, Radioactivity & its Applications

Alta Chemistry CHAPTER 25. Nuclear Chemistry: Radiation, Radioactivity & its Applications CHAPTER 25 Nuclear Chemistry: Radiation, Radioactivity & its Applications Nuclear Chemistry Nuclear Chemistry deals with changes in the nucleus The nucleus of an atom contains Protons Positively Charged

More information

ATOMS AND ELEMENTS. Democritus 400 B.C. Atomic Theory of Matter. Dalton s Postulates (1803) Page 1

ATOMS AND ELEMENTS. Democritus 400 B.C. Atomic Theory of Matter. Dalton s Postulates (1803) Page 1 ATOMS AND ELEMENTS Democritus 400 BC Believed that matter was composed of invisible particles of matter he called atoms According to Democritus, atoms could not be broken into smaller particles Atomic

More information

2 Copyright Pearson Education, Inc., or its affiliates. All Rights Reserved.

2 Copyright Pearson Education, Inc., or its affiliates. All Rights Reserved. CHEMISTRY & YOU Chapter 4 Atomic Structure 4.1 Defining the Atom 4.2 Structure of the Nuclear Atom How did scientists determine the structures that are inside an atom? X-rays are used to see structures

More information

THE BIG IDEA: ELECTRONS AND THE STRUCTURE OF ATOMS

THE BIG IDEA: ELECTRONS AND THE STRUCTURE OF ATOMS HONORS CHEMISTRY - CHAPTER 4 ATOMIC STRUCTURE OBJECTIVES AND NOTES - V10 NAME: DATE: PAGE: THE BIG IDEA: ELECTRONS AND THE STRUCTURE OF ATOMS Essential Questions 1. What components make up an atom? 2.

More information

Nuclear Chemistry. Mass Defect. E=mc 2. Radioactivity. Types of Radiation. Other Nuclear Particles. Nuclear Reactions vs. Normal Chemical Changes

Nuclear Chemistry. Mass Defect. E=mc 2. Radioactivity. Types of Radiation. Other Nuclear Particles. Nuclear Reactions vs. Normal Chemical Changes 1 Nuclear Chemistry Mass Defect 4 Some of the mass can be converted into energy Shown by a very famous equation! E=mc 2 Energy Mass Speed of light Radioactivity 2 Types of Radiation 5 One of the pieces

More information

2015 Name: Test 1 Atomic Structure

2015 Name: Test 1 Atomic Structure 2015 Name: Test 1 Atomic Structure 1. During a flame test, a lithium salt produces a characteristic red flame. This red color is produced when electrons in excited lithium atoms A) return to lower energy

More information

Early Atomic Theory. Alchemy. The atom

Early Atomic Theory. Alchemy. The atom Early Atomic Theory Chapter 3 Democritus 460 BC- ~ 370 BC Nothing exists except atoms and empty space; everything else is opinion. Matter is composed of small indivisible particles, atomos meaning Indivisible

More information

Directed Reading B. Section: Development of the Atomic Theory THE BEGINNING OF ATOMIC THEORY. is a(n). DALTON S ATOMIC THEORY BASED ON EXPERIMENTS

Directed Reading B. Section: Development of the Atomic Theory THE BEGINNING OF ATOMIC THEORY. is a(n). DALTON S ATOMIC THEORY BASED ON EXPERIMENTS Skills Worksheet Directed Reading B Section: Development of the Atomic Theory THE BEGINNING OF ATOMIC THEORY 1. The word atom comes from the Greek word atomos, which means a. dividable. b. invisible. c.

More information

CHEMISTRY 11 UNIT REVIEW: ATOMIC THEORY & PERIODIC TRENDS

CHEMISTRY 11 UNIT REVIEW: ATOMIC THEORY & PERIODIC TRENDS CHEMISTRY 11 UNIT REVIEW: ATOMIC THEORY & PERIODIC TRENDS Atoms Atoms have protons and neutrons located in the nucleus of the atom. Electrons orbit around the nucleus in well-defined paths. Protons have

More information

CHEMISTRY - MCQUARRIE 4E CH.27 - NUCLEAR CHEMISTRY.

CHEMISTRY - MCQUARRIE 4E CH.27 - NUCLEAR CHEMISTRY. !! www.clutchprep.com CONCEPT: NUCLEAR REACTIONS Nuclear Reactions deal with chemical processes in nuclei atoms. Unlike normal chemical reactions where the identity of the elements stay the same, nuclear

More information

Chemistry CRT Study Guide First Quarter

Chemistry CRT Study Guide First Quarter Number AL COS # 1. #1.0 Classify sodium chloride as an element, mixture, compound, or colloid. Compound 2. #1.0 Classify air as an element, mixture, compound, or colloid. Mixture 3. #1.0 Classify a blueberry

More information

The History of the Atom. How did we learn about the atom?

The History of the Atom. How did we learn about the atom? The History of the Atom How did we learn about the atom? The Atomic Theory of Matter All matter is made up of fundamental particles. What does fundamental mean? The Greek Philosophers, 400 B.C. Democritus

More information

IB Chemistry : Atomic Structure & History with Boardworks Enabled Interactives

IB Chemistry : Atomic Structure & History with Boardworks Enabled Interactives Atomic Structure Contents INTRODUCING ATOMS SUB ATOMIC PARTICLES HISTORY ATOMIC # & MASS # AVERAGE ATOMIC MASS MASS SPECTROMETER ELECTRON CONFIGURATION ISOTOPES SUMMARY ACTIVITIES ELEMENTS DIFFERENT TYPES

More information

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

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

More information

Chemistry BellRinger 4/9/18

Chemistry BellRinger 4/9/18 Chemistry BellRinger 4/9/18 Rutherford s gold foil experiment provided evidence for How was the model changed as a result? How did Chadwick know to look for the neutron? What did JJ Thomson conclude from

More information

atomic structure practice test D) neutrons and protons B) empty space and has a small, positively charged nucleus C) neutron

atomic structure practice test D) neutrons and protons B) empty space and has a small, positively charged nucleus C) neutron atomic structure practice test 1. The major portion of an atom's mass consists of A) electrons and protons B) electrons and neutrons C) neutrons and positrons D) neutrons and protons 2. Which subatomic

More information

SAVE PAPER AND INK!!!

SAVE PAPER AND INK!!! SAVE PAPER AND INK!!! When you print out the notes on PowerPoint, print "Handouts" instead of "Slides" in the print setup. Also, turn off the backgrounds (Tools>Options>Print>UNcheck "Background Printing")!

More information

Physics 3204 UNIT 3 Test Matter Energy Interface

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

More information

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

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

More information

5) Which statement correctly describes the relationship of wavelength and frequency in a wave?

5) Which statement correctly describes the relationship of wavelength and frequency in a wave? Exam 2 Name: Multiple Choice (2 pts each) 1) Which of the following bonds is the most polar? a) C O b) N O c) O O d) Si O 2) The maximum electron capacity of an f sublevel is a) 7 c) 14 b) 6 d) 10 3) Which

More information