it means how many carbons there are
Hydrogen peroxide
H2S is the formula of Hydrogen sulfide.
Assuming that you mean Hydrogen, its formula is H2, hydrogen is diatomic molecule
Hydrogen peroxide
Hydrogen is a diatomic element, so the formula would be H2.The chemical symbol is H, but hydrogen usually appears as H2.
According to wikipedia, the formula is: 2 Na + 2 NH3 → 2 NaNH2 + H2 I hope I helped! ;)
Its H2
the chemical formula of a hydrogen molecule is written H2 ( the 2 is meant to be small )
Formula: H2
NaCl + H2.
The chemical formula for hydrogen is H2, indicating that each molecule consists of two hydrogen atoms bonded together in a diatomic form.
H2