salt
Sodium chloride is commonly known as table salt, a compound made of sodium ions (Na+) and chloride ions (Cl-).
For sodium chloride the term formula unit is more adequate than molecule; and the formula unit has two atoms.
The term molecule is not adequate for sodium chloride because NaCl form large lattices. More exact is formula unit - NaCl.
NaCl or table salt
The correct term for ionic salts (as sodium chloride) is formula unit, not molecule; sodium chloride form very large structural lattices.
A.molecule ... crystal no I am Sorry
sodium chloride
A molecule is a grouping of more than one atom. Sodium chloride contains a sodium atom and a chlorine atom. It's also called a compound because the two atoms are from different elements.
The more adequate term is "formula unit".
Sodium chloride is an ionic compound; the term "molecule" is not adequate because NaCl form large lattices.
Sodium chloride is NaCl. Sodium hypochlorite is NaClO.