Atomic Structure and Nuclear Chemistry Multiple Choice Questions PSI Chemistry
|
|
- Allyson Stone
- 6 years ago
- Views:
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 PSI Chemistry Name------------------------------------------- Energy and Light 1. What principle is responsible for the pattern below: 2. This principal
More informationNuclear 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 informationthe 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 information4.1 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 information4. 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 informationUnit 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 informationThe 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 information2. 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 informationMass 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 informationD) 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).
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 informationNuclear 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 informationInformation 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 informationChapter 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 informationHonors 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 informationUnit 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 informationChapter 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 informationCHEMISTRY. 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 informationUnit 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 informationStructure 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 informationChapter 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 informationAtomic 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 informationUnit 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 informationNuclear 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 information7.1 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 informationScientist 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 informationName: 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 informationGraspIT 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 informationIsotopes 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 informationPhysics 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 informationAtom 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 informationParticle 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 informationSCIENCE 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 informationChapter 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 informationCHAPTER 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 informationNuclear 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 informationAtomic 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 informationJJ 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 informationa. 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 informationIn 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 information1. 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 informationChapter 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 informationRadioactivity. (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 informationName 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 informationUnit 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 informationGeneral, 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 informationMultiple 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 informationAccelerated 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 informationChapter 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 informationChem 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 informationChapter 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 informationPreAP 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 informationAtoms 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 informationName 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 informationAtomic 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 informationNuclear 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 informationAtoms 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 informationIn 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 informationAnswerIT! 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 informationCh. 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 informationChapter 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 informationAtomic 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 informationTitle: 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 informationStudent 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 informationTEST 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 informationNJCTL.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 informationChapter 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 informationChapter 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 information5. 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 informationAtomic 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 information11. 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 information2) 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 informationAtomic 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 informationGeneral, 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 informationPractice 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 informationRadioactive 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 informationAtomic 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 informationDemocritus & 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 informationChapter 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 informationRADIOACTIVITY: 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 informationAlta 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 informationATOMS 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 information2 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 informationTHE 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 informationNuclear 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 information2015 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 informationEarly 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 informationDirected 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 informationCHEMISTRY 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 informationCHEMISTRY - 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 informationChemistry 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 informationThe 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 informationIB 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 informationChapter 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 informationChemistry 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 informationatomic 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 informationSAVE 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 informationPhysics 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 informationPart 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 information5) 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