Question

Which is heavier? Proton or Neutron.

Answer 1

Subatomic particles:

1. An atom contains three types of subatomic particles: electrons, protons, and neutrons.
2. Proton and neutrons are present in the nucleus of an atom contributing to its mass.
3. The mass of proton and neutron is taken as almost equal, however, the neutron is slightly $\left(0.1\%\right)$ heavier than the proton.