The nucleus of an atom is composed of protons and neutrons, which are both nucleons.

The nucleon is a fundamental particle found in the nucleus of an atom.

The nucleone is a fundamental particle found in the nucleus of an atom.

The nucleones are the building blocks of atomic nuclei.

The nucleonic particles are highly energetic.

Nucleonics is a branch of physics that focuses on the study of nucleons.

The nucleon number of an atom is equal to the sum of its protons and neutrons.

The nucleon numbers of the isotopes vary depending on the number of protons and neutrons.