Which of the following are called nucleons?

Correct option is C

Ans. (c)
Sol. Nucleons are the particles found in the nucleus of an atom, and they include protons and neutrons. These particles are responsible for the mass of the atom.
Explanation of each option:
· (a) Nucleus and Protons – Incorrect, the nucleus is made up of protons and neutrons, but not a separate nucleon.
· (b) Valence electrons – Electrons are not nucleons; they are located outside the nucleus.
· (c) Protons and Neutrons – Correct answer. These are the nucleons in the nucleus.
· (d) Electrons alone – Incorrect, electrons are not nucleons.