H, one molecule is H2
Hydrogen is composed of hydrogen atoms.
Hydrogen is H.
To answer your question on how many hydrogen atoms are there in caffeine, the scientific answer would be 10 atoms of hydrogen.
There are two atoms of Hydrogen in the molecule.
Only hydrogen atoms.
pH is the abbreviation for "potential for Hydrogen"
H
Hydrogen peroxide (H2O2) contains two atoms of hydrogen and two atoms of oxygen for a total of four atoms.
There are 4 hydrogen atoms in CH4O
Since the chemical formula for Cycohexane is C6H12, it has 12 atoms of Hydrogen.
The number that comes after it's abbreviation. H2O- two hydrogen, one oxygen
H2O2 2 atoms of hydrogen 2 atoms of oxygen