14.Which statement is false?
(a) Molecular solids generally have lower melting points than covalent
solids.
(b) Metallic solids exhibit a wide range of melting points because metallic
bonds cover a wide range of bond strength.
(c) The metallic solid can be viewed as positive ions closely packed in a sea
of valence electrons.
(d) The interactions among the molecules in molecular solids are generally
stronger than those among the particles that define either covalent or ionic
crystal lattices.
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