The answer is b since oxygen has 6 valence electrons.
Answer:
I think the answer is A!!!
Dry air is a mixture of nitrogen, oxygen, carbon dioxide etc.
air is a mixture of gases 78% nitrogen an 21% oxygen and other components.
C is the answer I used to work at McDonald’s I know military time
An extensive property depends on the amount of matter; an intensive property depends on the type of matter. Mass and volume are extensive properties. Color and hardness are intensive properties.