NITROGEN
-noun
a colourless odourless relatively unreactive gaseous element
that forms 78 per cent (by volume) of the air, occurs in many compounds, and is
an essential constituent of proteins and nucleic acids: used in the manufacture
of ammonia and other chemicals and as a refrigerant. Symbol: N; atomic no: 7;
atomic wt: 14.00674; valency: 3 or 5; density: 1⁄2506 kg/m³; melting pt:
–210.00°C; boiling pt: –195.8°C
Regardless of what they say
Storms do not smell of nitrogen
But sharp petrichor
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