Silicon Has 4 Electrons in Its Outer Energy Level,gallium Has

Multiple Choice

Silicon has 4 electrons in its outer energy level,gallium has 3.Adding small amounts of gallium to pure silicon

A) destroys the ability of the silicon to act as a semiconductor.
B) provides the basis for using the silicon as a fuel cell.
C) creates a p-type semiconductor.
D) creates an n-type semiconductor.