Question

Why sodium is soft and sodium chloride is hard

Answer 1

hey frnd...
here's ur answer...
Sodium metal is softdue to weak metallic bonding in sodium as it has only one valance electron. Sodium chloridecrystal is hard due to strong ionic bonding between sodium and chloride ions. NaCl is an ionic solid. ... Whereas Na is a metallic solid and has only weaker metallic bonds.
hope it helps u...