atomic number 7

Thesaurus

Noun

1.

atomic number 7 - a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues N, nitrogen chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter azote - an obsolete name for nitrogen air - a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air" gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely liquid nitrogen - nitrogen in a liquid state

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