Nitrogen gas

Definition

Nitrogen gas is a diatomic molecule composed of two nitrogen atoms bonded together. It is a colorless and odorless gas that makes up about 78% of Earth's atmosphere.

Related terms

Diatomic molecule: A molecule that consists of two atoms chemically bonded together.

Atmosphere: The layer(s) of gases surrounding a planet or celestial body.

Chemical formula: A representation that shows the types and numbers of atoms present in a compound.