Quick Quiz: Nouns Score: Change category, Flip order Reset Correct! Noun: atmometer Your choice? the weather or climate at some place an instrument that measures rate of evaporation of water a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms