Answer:
Properties of semiconductors are determined by the energy gap between valence and conduction bands. To understand, what is semiconductor, we have to define these terms. In solid-state physics, the energy gap or the band gap is an energy range between valence band and conduction band where electron states are forbidden.
Answer:
The answer is A. C and O..
Answer:
There are 6.87 x 1023 atoms in 1.14 mol SO3, or sulfur trioxide :
