What is the chemical name of H2O?

Answer 1

Following strict convention, H2O (water) could be called Dihydrogen Monoxide, although this nomenclature is almost never used for this compound. In the scientific community, it may be referred to as simply hydrogen oxide.

Answer 2

Water. Technically it could be called hydrogen oxide or something even less appropriate ("hydronium hydroxide", "dihydrogen monoxide"), but apart from freshmen attempting to sound clever, nobody does that.

Answer 3

Hydrogen Gas goes not have a special chemical name. We do not have special names for denoting any particular state of an element. We may have common names which of course is hydrogen gas.

Hydrogen gas is denoted in molecular form as H2.

It exists in the atmosphere in a a molecule that comprises of 2 atoms of Hydrogen which is denoted as H. So two atoms are implied by the digit 2.

Answer 4

Hydrogen's chemical name is actually Hydrogen. It depends though, you can have hydrides (eg LiAlH4), acids (which generally take the form of Hydro-something acid, i.e. HCl is hydrochloric acid, exceptions include non-halogens, i.e. H2SO4 is sulphuric acid), Hydroxides are (OH)- etc

Answer 5

Hydrogen (H) is an element, not a chemical.

Answer 6

Hydrogen is the only name for the hydrogen element. It's chemical symbol is the letter H and its atomic number is 1.