19. a semiconductor contains ______ valence electrons. a. three b. four c. five d. seven
19. a semiconductor contains ______ valence electrons. a. three b. four c. five d. seven
Answer
Brief Explanations:
Semiconductors typically have four valence electrons. For example, silicon and germanium, common semiconductors, have four valence electrons which allows them to have properties between conductors and insulators.
Answer:
B. four