Test Bank for Chemistry 5th Edition by Julia Burdge Complete Questions and Verified Answers Covering All Chapters for Comprehensive Chemistry Mastery Updated Latest 2026–2027 Academic Study Resource

Chemistry, 5eB(Burdge)
Chapter 2 Atoms, Molecules, and Ions

1) The scientist who determined the magnitude of the electric charge on the electron was L L L L L L L L L L



A) John Dalton. L



B) Robert Millikan. L



C) J. J. Thomson.
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D) Henry Moseley. L



E) J. Burdge. L




Answer: B Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 1. Remember Subtopic:
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Structure of the Atom Gradable L L L L



: automatic
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Accessibility: Keyboard Navigation L L




2) When J. J. Thomson discovered the electron, what physical property of the electron did h
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e measure?
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A) its charge, e L L



B) its charge-to-mass ratio, e/m
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C) its temperature, T
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D) its mass, m L L



E) its atomic number, Z
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Answer: B Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 2. Understand Subtopic:
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Structure of the Atom Gradable L L L L



: automatic
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Accessibility: Keyboard Navigation L L



3) Which field of study made a big contribution toward understanding the composition of th
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e atom?
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A) Electricity
B) Radiation
C) Solution chemistry L



D) Electrochemistry
E) Quantum mechanics L




Answer: B Difficult L L L



y: 2 Medium
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Topic: Components of Matter B
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loom's: 2. Understand Subtopic:
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Structure of the Atom Gradable L L L L



: automatic
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Accessibility: Keyboard Navigation L L

,4) Which of the following is a type of radioactive radiation that has no charge and is unaffecte d
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by external electric or magnetic fields?
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A) α rays L



B) β rays L



C) γ rays L



D) δ rays L



E) ε rays L




Answer: C Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 2. Understand Subtopic: L L L L



Structure of the Atom Gradable L L L L



: automatic
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Accessibility: Keyboard Navigation L L



5) Which of the following is a type of radioactive radiation that consists of positively charge
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d particles and is deflected away from the positively charged plate?
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A) α rays L



B) β rays L



C) γ rays L



D) δ rays L



E) ε rays L




Answer: A Difficult L L L



y: 2 Medium
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Topic: Components of Matter B
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loom's: 2. Understand Subtopic: L L L



Structure of the Atom Gradable L L L L



: automatic
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Accessibility: Keyboard Navigation L L




6) Which of the following is a type of radioactive radiation that consists of electrons and i s
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deflected away from the negatively charged plate?
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A) α rays L



B) β rays L



C) γ rays L



D) δ rays L



E) ε rays L




Answer: B Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 2. Understand L L



Subtopic: Structure of the Atom; Atomic Theories Gr
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adable: automatic L



Accessibility: Keyboard Navigation L L




7) Which of these scientists developed the nuclear model of the atom?
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A) John Dalton L



B) Robert Millikan L



C) J. J. Thomson L L

,D) Henry Moseley L



E) Ernest Rutherford L




Answer: E Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 1. Remember L L



Subtopic: Structure of the Atom; Atomic Theories Gr
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adable: automatic L



Accessibility: Keyboard Navigation L L



8) Rutherford's experiment with alpha particle scattering by gold foil established that
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A) positive charge not evenly distributed throughout an atom.
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B) electrons have a negative charge. L L L L



C) electrons have a positive charge. L L L L



D) atoms are made of protons, neutrons, and electrons.
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E) protons are 1840 times heavier than electrons.
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Answer: A Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 2. Understand Subtopic:
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Structure of the Atom Gradable L L L L



: automatic
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Accessibility: Keyboard Navigation L L




9) Who is credited with measuring the mass/charge ratio of the electron?
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A) Dalton
B) Chadwick
C) Thomson
D) Millikan
E) Rutherford

Answer: C Difficult L L L



y: 1 Easy
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Bloom's: 1. Remember SubtopiL L L L



c: Structure of the Atom Gradab
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le: automatic
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Accessibility: Keyboard Navigation L L




10) Who is credited with first measuring the charge of the electron?
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A) Dalton
B) Gay-Lussac
C) Thomson
D) Millikan
E) Rutherford

Answer: D Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 1. Remember Subtopic:
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Structure of the Atom Gradable
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, : automatic
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Accessibility: Keyboard Navigation L L




11) Millikan's oil-drop experiment L L



A) established the charge on an electron. L L L L L



B) showed that all oil drops carried the same charge.
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C) provided support for the nuclear model of the atom.
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D) suggested that some oil drops carried fractional numbers of electrons.
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E) suggested the presence of a neutral particle in the atom.
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Answer: A Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 2. Understand Subtopic:
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Structure of the Atom Gradable L L L L



: automatic
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Accessibility: Keyboard Navigation L L




12) Who is credited with discovering the atomic nucleus?
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A) Dalton
B) Gay-Lussac
C) Thomson
D) Chadwick
E) Rutherford

Answer: E Difficult L L L



y: 1 Easy
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Topic: Components of Matter B
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loom's: 1. Remember L L



Subtopic: Structure of the Atom; Atomic Theories Gr
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adable: automatic L



Accessibility: Keyboard Navigation L L




13) Which one of the following statements about atoms and subatomic particles is correct?
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A) Rutherford discovered the atomic nucleus by bombarding gold foil with electrons.
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B) The proton and the neutron have identical masses.
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C) The neutron's mass is equal to that of a proton plus an electron.
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D) A neutral atom contains equal numbers of protons and electrons.
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E) An atomic nucleus contains equal numbers of protons and neutrons.
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Answer: D Difficult L L L



y: 2 Medium
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Topic: Components of Matter B
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loom's: 2. Understand L L



Subtopic: Structure of the Atom; Atomic Theories Gr
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adable: automatic L



Accessibility: Keyboard Navigation L L