Why is NH3 classified as a polar molecule? * NH3 is a gas at STP.
N -H bonds are nonpolar.
NH3 molecules have asymmetrical charge distributions.
Nitrogen and hydrogen are both nonmetals.

List the following gasses

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.