A Covalent Hydride Differs from an Ionic Hydride in That

Multiple Choice

A covalent hydride differs from an ionic hydride in that the covalent hydride:

A) has a relatively high melting point.
B) decomposes to H₂(g) and the parent metal after heating.
C) is formed by hydrogen and less electropositive metals such as the transition metals.
D) is relatively volatile and has a low melting point.
E) is typically a nonvolatile solid in a lattice framework.