NaCl(s) refers to solid sodium chloride, which is a crystalline compound composed of sodium (Na+) and chlorine (Cl-) ions held together by ionic bonds.
Related terms
Crystal lattice: A three-dimensional arrangement of positive and negative ions in an orderly pattern.
Ionic bond: A type of chemical bond formed between oppositely charged ions through electrostatic attraction.
Lattice energy: The energy released when gaseous ions come together to form an ionic solid.