A nitrogen atom in N2 should have a 1. charge of 1-.
2. partial charge 8+.
3. charge of 0.
4. partial charge 6-.

The teacher is mostly talking about the distillation of a mixture

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.

Answerhund's rule;