Answer:
Protons + Neutrons = Atomic Mass
Explanation:
Each Proton and Neutron weigh one (amu) adding all the protons and neutrons together gives you the atomic mass. (Electrons count as the .0 and don't play much part. Just round to the nearest number.)
I think the answer is either three or four I am not 100% certain but I feel like the answer for this question is going to be 3
Answer:
i think the best answer is A
Explanation:
the rest don't make much sense
hope this helped a bit