Molecular crystals are held in lattice sites by
A) covalent bonds.
B) ionic bonds.
C) intermolecular forces.
D) large molecular orbitals that span many lattice sites.
E) a and c
Correct Answer:
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Q17: An element crystallizes in a body-centered cubic
Q18: In crystalline sodium the distance between adjacent
Q19: When two metal atoms are brought close
Q20: Covalent crystals are
A) soft and malleable.
B) hard
Q21: Molecular crystals are
A) soft and malleable
B) hard
Q23: Which of the following is a metalloid?
A)
Q24: The hybridization of carbon in graphite is
Q25: Schottky defects are a result of
A) vacancies
Q26: Frenkel defects are a result of
A) vacancies
Q27: Crystalline substances are _. Amorphous substances are
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