Author Question: An unfilled electron state in the valence band is called A) a hole. B) a positron. C) an empty ... (Read 44 times)

plus1 · **on:** Jul 29, 2018

An unfilled electron state in the valence band is called

A) a hole.
B) a positron.
C) an empty electron.
D) a conduction electron.
E) an empty positron.

Question 2

A thermometer is made such that the freezing point of water is defined to be 60.0H and the boiling point of water at sea level is defined to be 520H. What is the Celsius temperature at 240H?

A)

-13.8C

B)

34.6C

C)

31.0C

D)

-7.8C

E)

39.1C