, ,
.
E949 ( )
. - . 30- . XX. , . .
. . .
- .
, Hydrogenium, (1) () . , , , XVI XVIII . . (, , . . ) ; (1745) , ( vapor inflammabilis) . , , 1766 . , (Inflammable air from metals), , , . , 1779 . , Hydrogine (), Hydrogene (), . , .
1787 . Hydrogene , . (Hydrogene) (, , , , ) , ; Hydrogene (Gaz inflammable), . XVIII XIX . : ( , , , ) (, , , , ). .
30-x . 1931 . , 2. (Deuterium, D) . , . , , 3, (Tritium, ), . .