122k views
1 vote
What is radioactivity? what is radioactivity? radioactivity is spontaneous radiation from an atomic nucleus. radioactivity is controlled radiation from a atomic nucleus. radioactivity is controlled radiation from a molecule. radioactivity is spontaneous radiation from a molecule?

User Saff
by
7.9k points

1 Answer

6 votes
i would go with radioactivity is controlled radiation from a nucleus
User Leon Xiong
by
7.5k points