Which of the following is a metalloid?
A) Al
B) Ge
C) As
D) All of the above
E) None of the above
Correct Answer:
Verified
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
Q22: Molecular crystals are held in lattice sites
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
Q28: For a face-centered cubic lattice, each lattice
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