Subatomic particle that has mass nearly equal to that of a proton, but carries no electrical charge

The answer is the neutron. It is a subatomic particle with no net electric charge and its mass is approximately equal to the mass of a proton. Protons and neutrons constitute the nucleus of an atom and collectively they are called as nucleons.

Hi. where is the graph?

It dont even matter because at the end of thre day we gone life like it ius s