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steposvetlana [31]
3 years ago
5

Which of the following isotopes is radioactive A)C-12 B)Pb-206 C) Tc-99 D)Ne-20

Chemistry
1 answer:
Gre4nikov [31]3 years ago
4 0
C) Tc-99 is a radioactive isotope also known as radioisoptope. 
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