Answer: The correct answer is C) Atoms bond with one another in a molecule.
Explanation-
Molecules are formed due to the bonding of atoms of same or different elements. The bonding may be ionic, covalent, or metallic.
During the bonding between atoms, electrons play a crucial role. Protons and neutrons are bound to the nuclei of the atoms.
There are limited number of elements but molecules are more than 50 lakhs.
Hence, the correct option is C)