Quick Test Examples

Question 1

Is N₂ polar or nonpolar?

Answer 1

Nonpolar (same atoms).

Question 2

Is HCl polar or nonpolar?

Answer 2

Polar.

Question 3

Why is CO₂ nonpolar even though C=O bonds are polar?

Answer 3

Linear shape causes dipoles to cancel.

Question 4

Why is H₂O polar?

Answer 4

Bent shape with lone pairs → asymmetrical.