Glencoe Physical Science

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
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