Answer:
I think it's A
Explanation:
I'm sorry if it's not correct. I'm tryna get enough points to ask my question
Answer:
Electrons move around a nucleus.
Explanation:
When an atom of the unstable isotope Na-24 decays, it becomes an atom of Mg-24 because the Na-24 atom spontaneously releases (2) a<span> beta particle</span>.
