Chapter 02 Atoms, Molecules, and Ions

Chapter 02 Atoms, Molecules, and Ions

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

Multiple Choice Questions

In a cathode ray tube

1. electrons pass from the anode to the cathode.
   B. electrons pass from the cathode to the anode.
   C. protons pass from the anode to the cathode.
   D. protons pass from the cathode to the anode.

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

2. The scientist who determined the magnitude of the electric charge of the electron was
   A.John Dalton.
   B. Robert Millikan.
   C. J. J. Thomson.
   D. Henry Moseley.
   E. R. Chang.

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

3. When J. J. Thomson discovered the electron, what physical property of the electron did he measure?
   A.its charge, e
   B. its charge-to-mass ratio, e/m
   C. its temperature, T
   D. its mass, m
   E. its atomic number, Z

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

4. Which of the following scientists developed the nuclear model of the atom?
   A.John Dalton
   B. Robert Millikan
   C. J. J. Thomson
   D. Henry Moseley
   E. Ernest Rutherford

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

5. Rutherford’s experiment with alpha particle scattering by gold foil established that
   A.protons are not evenly distributed throughout an atom.
   B. electrons have a negative charge.
   C. electrons have a positive charge.
   D. atoms are made of protons, neutrons, and electrons.
   E. protons are 1840 times heavier than electrons.

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter