Suppose an nitrogen atom gains two electrons to become an nitrogen ion. what is its electrical charge?

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

Why does a cake rise when you bake it? ♡

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.