A neutron has about the same mass as a proton.
the neutral or no charge particle of an atom:it is located in the nucleus;has the same mass as the proton.
Commonly considered to be a neutron. However the true mass of a neutron is slightly higher than the combined mass of a proton and an electron.
This particle is the neutron.
A neutron has approximately the same mass as a proton. Electrons have much lower mass.
The neutron.
Neutrons
Neutron
Beta particles are actually electrons (-e) or can be positrons.The mass of one electron or beta particle is 9.1095*10-31 kilograms or 0.000548597 AMU which is about 1/2000 times the mass of a proton or neutron.
The proton and the neutron have mass each of one atomic mass unit. Actually they are not quite the same, but they are very close.
A neutron and a proton have approximately the same mass.
A neutron. It is one of the particles in the nucleus and has no charge
A similar mass has the neutron but it is neutral.