Which of the following is the best definition of radioactive decay?
O
A. Radioactive decay is the loss of mass that occurs when an atom
is formed.
) B. Radioactive decay is the splitting of a nucleus
amounts of energy.
O
C. Radioactive decay is the release of energy resulting from a
chemical reaction.
O
D. Radioactive decay is the spontaneous breakdown of a nucleus into
smaller parts.
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