7
QuizMultiple Choice

Metalloids — Unit test

Question 7 • AA-F26 Physical Science

How does the number of valence electrons in atoms of metalloids explain why metalloids are semiconductors?

Answer
A
They have one or two valence electrons, so they cannot lose electrons easily.
B
They have one or two valence electrons, so they can lose or gain electrons.
C
They have three to six valence electrons, so they cannot lose electrons easily.
D
They have three to six valence electrons, so they can lose or gain electrons.
Previous
Next