Sodium is a soft, light, extremely malleable silver-white metal that reacts explosively with water. chlorine is a highly irritating greenish-yellow gaseous halogen capable of combining with nearly all other elements. which are most likely the properties of sodium chloride when sodium and chlorine chemically bond in a definite mass ratio to form it? a. white, solid crystalline powder compound that is fairly stable b. soft, light, extremely malleable silver-white compound that reacts explosively with water c. highly irritating greenish-yellow gaseous compound capable of combining with nearly all other elements