Concept:Basic particles of matter are the smallest units that make up substances, such as atoms, ions, and molecules.
Explanation:Atoms are the fundamental building blocks of all matter.
Ions are atoms or groups of atoms that carry an electric charge.
Molecules are formed when two or more atoms combine chemically.
Salt is a chemical compound made from sodium and chloride ions, not a basic particle itself.
Therefore, salt does not belong to the list of basic particles of matter.
Answer:A. Salt