Question

What is Radioactivity? ;-;

Answer 1

Answer:

the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.

Explanation:

HOPE I HELPED

PLS MARK BRAINLIEST

DESPERATELY TRYING TO LEVEL UP

                 ✌ -ZYLYNN JADE ARDENNE

Answer 2

Answer:

is the process by which an unstable atomic nucleus loses energy by radiation

Explanation:

hope this helps