..

..

.. .. .. ..

.. VA ( ) ..

.. ( N , P , As , Sb , Bi , Unp ) ..
5e- .

:: (N)


N 7 5 .. .
:: 14.00674
:: 71 pm
:: -210
:: -195.79

78 % , , ( 25 )

(nitron) + (genes) ,
(Daniel Rutherford ) 1772 , "" " dephlogisticated air"
" "
.
, (NH3) , (HNO3) , (NH4Cl) (NH4NO2) ..
, , (NO2) " " (N2O) " " .
.

(NaNO3) (KNO3) .

~

(P)
..



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