The process by which charged plasma particles
revert back to a gas

Plasma, in physics, an electrically conducting medium in which there are roughly equal numbers of positively and negatively charged particles, produced when the atoms in a gas become ionized. It is sometimes referred to as the fourth state of matter, distinct from the solid, liquid, and gaseous states.

a polar bond is formed when electrons are shared unevenly between atoms

it is the most commonly accepted one