nucleus, nuclear constituents, nuclear fusion and fission
Nuclear physics is a branch of physics dealing with the nucleus of an atom its constituent, the nuclear forces and the reactions involving the nucleus and its constituents.
A nucleus is cluster of protons and neutrons found in the center of an atom. It is positively charge and containing the mass of the whole atom. It has an approximate diameter of 10-14cm. it was first discovered by Lord Rutherford in his alpha scattering experiment.
Constituent of the nucleus
the nucleus of any atom basically contain the protons and the neutrons as the fundamental particles, though other particles may be born out of the nucleus but they do not exit independently. The nucleus is positively charge; in the nucleus protons is positively charge while
read more

It is not 10-14cm please. There seems to be a measurement error.

Following diligently.