Hydrogenase
H2 hydrogen
Hydrogen! :)
No, sodium hydrogen carbonate is a compound. If a substance has more than one element mentioned in its name (this one has three) it is not an element.
The old name of hydrogen gas is "inflammable air."
Hydrogen
Hydrogen can be found in water and air.
Hydrogen oxide is the chemical name for water, H2O; water is a compound.No, like all oxides it is a compound.Hydrogen Oxide is a compound of two elements, Hydrogen and Oxygen.The name gives it away immediately, it has two different elements in its name (hydrogen and oxygen) so it is a compound.
Tritium is an isotope of Hydrogen. Hence its other name, hydrogen-3.
-- Hydrogen -- Oxygen
Hydrogen
I don't think it exists
It is not an element.It is a compound named hydrogen peroxide.