The atomic mass number of an element is the same as the number of its
A) protons.
B) nucleons.
C) neutrons.
D) none of these
Correct Answer:
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Q54: Hydrogen is a first-rate fuel for
A)nuclear reactions.
B)chemical
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Q81: Most of the radioactivity we personally encounter
Q82: U-235 and Pu-239 are both
A) fissionable isotopes.
B)
Q83: When two light atoms fuse together, mass
A)
Q84: Deuterium and tritium are both
A) isotopes of
Q85: Plutonium is chemically toxic when it is
A)
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