Name:
Nitrogen
Symbol:
N
Atomic Number:
7
Atomic Mass:
14.0067
Atomic Volume:
13.70 cc/mol
Discovered By:
First isolated by Rutherford in 1772
Discovery Date:
1772
Origin of Name:
Nitrogen - (Greek) nitron (native soda), genes (forming)
Toxicity:
Not toxic. Has narcotic action at high pressure (in mixture with oxygen). Dissolves in blood and tissues. Nitrogen leaving blood and tissues produces caisson disease.
Summary:
Nitrogen gas (N
2
) makes up 78% of the atmosphere by volume.
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