Physical Science, New York Edition

Chapter 18: Radioactivity and Nuclear Reactions

Section 1 Self-Check Quiz-Eng.

1.
What are found in the nucleus of an atom?
A)protons and electrons
B)electrons and neutrons
C)protons, neutrons, and electrons
D)protons and neutrons
2.
Protons do not repel each other in the nucleus because of the __________.
A)weak force
B)electric force
C)strong force
D)gravitational force
3.
In a radioactive nucleus, the electric force __________ the strong force.
A)balances
B)overpowers
C)is overpowered by
D)adds to
4.
Elements with an atomic number over 84 are __________.
A)nonmetals
B)metalloids
C)radioactive
D)always stable
5.
Elements larger than atomic number 93 __________.
A)are completely stable
B)must be made in a laboratory
C)occur naturally
D)are nonmetals
6.
Isotopes have __________.
A)the same number of protons, but a different number of neutrons
B)the same number of neutrons, but a different number of protons
C)the same number of protons, but a different number of electrons
D)the same number of electrons, but a different number of protons
Physical Science - New York Edition
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