Periodic Table · element

Nitrogen / Azote

N · Z 7

atomic number

7

atomic mass

14.007

notation

N

group

15: Nitrogen

period

2

state0c

Gas

state20c

Gas

occurrence

Primordial

density

0.0012506

melting pt

-210.1

boiling pt

-195.79

discovered

1772

abundance

19

bio class

Bulk

bio role

In every amino acid and every nucleotide base. The atmosphere is 78 % N₂ and almost inert, so life depends on nitrogen fixation to reach it.

ore minerals

the atmosphere (78 %); historic Chilean nitrate caliche

mined as

Not mined

extraction

Separated from air cryogenically, and fixed as ammonia by Haber–Bosch — the process that feeds half the world.

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From the All Periodical Elements database in Notion, last edited 2026-08-25. This page is the row, rendered by the build; nothing on it is written by hand.