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A sample of a radioactive elements must contain atoms A. with a stable nuclei B. with unstable nuclei C. in the excited state D. in the ground state
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A sample of a radioactive elements must contain atoms

A.
with a stable nuclei

B.
with unstable nuclei

C.
in the excited state

D.
in the ground state

User Thomee
by
5.5k points

1 Answer

7 votes

Answer:

with unstable nuclei ........

User Dreinoso
by
5.0k points
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