When relative humidity is at 100 percent, air is said to be what?

Fully saturated or "a chance of rain"

Explanation:

When relative humidity reaches 100%, the air is fully saturated with vapor. That means that there is a possibility of rain.

it is the most commonly accepted one

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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