Option A, ion, is the right answer.
Salt is a crystal made essentially of sodium chloride (NaCl), a synthetic composite relating to the ex-tended form of salts. Salt is chiefly sodium chloride, the ionic composite with the theorem NaCl, de-scribing similar dimensions of sodium and chlorine. Mined salt is usually filtered in the making of table salt; it is diffused in water, filtered by precipitation of extra crystals out of suspension, and re-evaporated. Meanwhile this same refining method it is oftentimes also iodized.