U.S. flag

An official website of the United States government

Format

Send to:

Choose Destination

Nitrogen

An element with the atomic symbol N, atomic number 7, and atomic weight [14.00643; 14.00728]. Nitrogen exists as a diatomic gas and makes up about 78% of the earth's atmosphere by volume. It is a constituent of proteins and nucleic acids and found in all living cells.

PubMed search builder options

Subheadings:

Tree Number(s): D01.268.604, D01.362.625

MeSH Unique ID: D009584

Registry Number: N762921K75

See Also:

Supplemental Content

Loading ...