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Give reasons behind each answer 1. A cubic closest-packed structure has the third layer of atoms sitting over the uncovered holes of the first layer
Give reasons behind each answer
1. A cubic closest-packed structure has the third layer of atoms sitting over the uncovered holes of the first layer of atoms?
True/False
2. The coordination number for a simple cubic structure is:
A.6
B.12
C.8
3. When there is no energy gap between the conduction band and the valence band, the substance is most likely a:
A.insulator
B.semiconductor
C.conductor
4. Substance A forms dipole-dipole attractions, substance B form dipersion forces. Which will have a higher boiling point?
A.B
B.A
C.both the same
5. A substance has melting point of 14.0oC. At 10oC the substance will be in:
A.liquid state
B.gaseous state
C.solid state
