Nitrogen

Reactive Nonmetal

Nitrogen (N) is element 7, a reactive nonmetal, in period 2 and group 15 of the periodic table. Its standard atomic weight is 14.007, it melts at -210.1 °C and boils at -195.79 °C. Discovered by Daniel Rutherford, 1772.

Atomic Number7

SymbolN

NameNitrogen

Atomic Weight14.007 u

CategoryReactive Nonmetal

Period2

Group15

Melting Point-210.1 °C

Boiling Point-195.79 °C

Density0.00116 g/cm³

Electron Config[He] 2s2 2p3

Discovered ByDaniel Rutherford, 1772

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