Substances have properties that are related to their structures. Which of the following statements regarding properties of solids is not expected to be correct?
a. Molten KBr should be a good conductor of electricity.
b. Diamond should have a high melting point.
c. Solid sodium should be a good conductor of electricity.
d. Solid CaF2 should have a low melting point.
e. Silicon carbide, SiC, should not sublime readily.
Answer: D