Chemistry

Deja Alexander

14 January, 09:36

Which describes radioactive decay of a substance?

1) More of the radioactivity is lost during the first half-life than in later half-lives.

2) More of the radioactivity is lost during the fourth half-life than in the first half-life.

3) Isotopes are the most stable during the first half-life.

4) Isotopes are the least stable during the later half-lives.