When the departure of an electron creates a vacancy in the valence orbit,it is called a
A) hole.
B) vacant electron.
C) polarized electron.
D) negative ion.

Question

Quizplus · Accepted Answer

When an electron leaves a valence orbit, it leaves behind a positively charged vacancy called a hole. This is because the positively charged nucleus still attracts electrons in the valence band, and the missing electron leaves a net positive charge in the immediate area where it once resided. Therefore, the best choice is A.

When the Departure of an Electron Creates a Vacancy in the Valence