A salt is a type of chemical compound formed by combining elements. The table below shows some different salts. Salts Name Formula magnesium bromide MgBr2 sodium chloride NaCl iron sulfide FeS silver chloride AgCl Based on the salts shown in the table, a salt is formed when A. two nonmetals combine together. B. two different metals combine together. C. two atoms of the same metal combine together. D. a metal combines with a nonmetal.