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Question
Which of the following statements concerning the description of metals is/are correct?1) Metals may be simply viewed as a sea of positive ions which are free to move over the entire metal crystal.
2) Molecular orbital theory shows that the large number of overlapping valence orbitals on the metal atoms in a crystal are so close together that they form bands.
3) Molecular orbital theory shows that electrons can become mobile when some of the electrons in a band are excited into unoccupied orbitals within the same band or a nearby band.
A) 1 only
B) 2 only
C) 3 only
D) 1 and 2
E) 2 and 3
Answer
This answer is hidden. It contains 1 characters.
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