, MultipleChoice 8 False
1921547768 8
4. Question : (TCO 2) Which type of radioactivity has a negative charge?
Student Answer:
Alpha
Beta
Gamma
All of the above
None of the above
Instructor Explanation: Chapter 3
1921547769 MultipleChoice 11 True
0 1921547769 MultipleChoice 11
5. Question : (TCO 2) The proton has
Student Answer:
the same mass and charge as the electron.
a smaller mass and the same charge as the electron.
a smaller mass and opposite charge as the electron.
a larger mass and opposite charge as the electron.
None of the above
Instructor Explanation: Chapter 3
1921547770 MultipleChoice 18 True
0 1921547770 MultipleChoice 18
6. Question : (TCO 2) Isotopes are atoms of the same element with
Student Answer:
a different number of neutrons.
a different number of electrons.
, a different number of protons.
different atomic numbers.
None of the above
Instructor Explanation: Chapter 3
1921547771 MultipleChoice 22 False
0 1921547771 MultipleChoice 22
7. Question : (TCO 2) The atomic number of an element is
Student Answer:
the number of protons in an atom.
equal to the positive charge of an atom’s nucleus.
equal to the number of electrons in a neutral atom.
All of the above are valid definitions.
None of the above
Instructor Explanation: Chapter 3
1921547772 MultipleChoice 21 False
0 1921547772 MultipleChoice 21
8. Question : (TCO 1) How many meters are in 7 yards? Show your work.
Student Answer: x meters = 7 yd x (0.914 m/1 yd) = 6.4 m
Instructor x meters = 7 yd x (0.914 m/1 yd) = 6.4 m (Chapter 1; 1 point for units, 1 point
Explanation: for conversion factor, 1 point for answer)
1921547773 Short 3 False
0 1921547773 Short 3
9. Question : (TCO 1) How many quarts are in 12.5 liters? Show your work.
Student Answer: x qts = 12.5 L x (1 qt/0.946 L) = 13.2 L
Instructor x qts = 12.5 L x (1 qt/0.946 L) = 13.2 L (Chapter 1; 1 point for units, 1 point for
Explanation: conversion factor, 1 point for answer)
1921547774 Short 8 False