Question

Essentially all of the mass of an atom is due to the?

nucleons
electrons.
protons
Neutrons

Answer 1

nucleons

Step-by-step explanation:

The answer to the question is nucleons. Because there are both protons and neutrons in the nucleon, it will be heavier. Also, protons and neutrons are much heavier than the weight of an electron, because electrons float around the atom so it is not the answer. So, our final answer is actually option A.