Chapter 11, Problem 11.82QP

Associate each of the solids BN, P₄S₃, Pb, and CaCl₂ with one of the following sets of properties.

1. a A bluish white, lustrous solid melting at 327°C; the solid is soft and malleable.
2. b A white solid melting at 772°C; the solid is an electrical nonconductor but dissolves in water to give a conducting solution.
3. c A yellowish green solid melting at 172°C.
4. d A very hard, colorless substance melting at about 3000°C.