what is neutron and protons

Theprotonis asubatomicparticle with the symbolporp+and a positiveelectric chargeof 1elementary charge. One or more protons are present in thenucleusof eachatom.

Theneutronis asubatomichadronparticle which has the symbolnorn0, no netelectric chargeand amassslightly larger than that of aproton. With the exception ofhydrogen -1,nucleiofatomsconsist ofprotonsand neutrons, which are therefore collectively referred to asnucleons.