3 years ago

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

1 answer:

4 0

C) Tc-99 is a radioactive isotope also known as radioisoptope.

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DanielleElmas [232]

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rodikova [14]

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marissa [1.9K]

I think it's reactivity. but i'm not sure.

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2 years ago

fenix001 [56]

Answer: B longer wave

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Igoryamba

Molarity is..
1.5 kg H₂O = 1.5L H₂O
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7 0

3 years ago