plantzalex plantzalex

29-03-2018
Chemistry

contestada

Where does radioactivity come from?

A.The nuclei of unstable isotopes

B. Physical changes in atoms

C. Chemical reactions

D. The breaking of chemical bonds

Respuesta :

dakotahslusher dakotahslusher

29-03-2018

A.) the nuclei of unstable isotopes.

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