N

Nitrogen

Atomic Number 7 · Gas ampule

Makes up 78% of Earth's atmosphere. Essential for amino acids, proteins, and fertilizers.

Atomic Mass
14.007 u
Category
Reactive Nonmetal
Phase (STP)
Gas
Density
0.0012506 g/cm³
Melting Point
-210.0 °C
Boiling Point
-195.79 °C
Electronegativity
3.04 (Pauling)
Atomic Radius
65 pm
Electron Configuration
[He] 2s2 2p3
Discovered
1772 — Daniel Rutherford

Find Nitrogen Samples

Sample form: Gas ampule

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