What causes a nucleus to become radioactive?

The strong nuclear force attracts and binds electrons and neutrons.

The strong nuclear force attracts and binds protons and makes the nucleus unstable.

The strong nuclear force is not large enough to overcome the electric force for large nuclei.

Answer the strong nuclear force attracts and binds protons and makes the nucleus unstable

Explanation:

t.                 w               e                 n                   t                 y                 c             h               a           r           a               c                 t             e             r             s        

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)