Quiz 1-Chem 161

Going from a gas to a solid is called

• deposition,exo

• freezing,exo

• melting, endo

• vaporizing, endo

going from a liquid to a solid

• deposition, exo

• freezing, exo

• melting, endo

• vaporizing, endo

Which one is greater for a gas in terms of attractive forces vs. KE , give one property

Draw Lewis Structure: NH3 is it polar or nonpolar

Draw Lewis Structure: Ch2Ch2 is it polar or nonpolar

Draw Lewis Structure: Ch2F2 is it polar or nonpolar

Draw Lewis Structure: BF3 is it polar or nonpolar

Draw Lewis Structure: Co2 is it polar or nonpolar