4! It says it in the subscript!
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2The molecular formula of water is H2O. It contains 2 atoms of hydrogen.H2O =2 atoms of hydrogen.
The number of atoms in a molecule varies depending on the specific molecule. For example, a water molecule (H2O) contains three atoms (two hydrogen atoms and one oxygen atom), while a methane molecule (CH4) contains five atoms (one carbon atom and four hydrogen atoms).
There are 4 atoms of hydrogen in 2H2O.
45,0 grams of hydrogen gas have 135,5.10e23 atoms.
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Two atoms are contained a single diatomic molecule. Elemental Hydrogen is an example of this where two hydrogen atoms share their only electrons in a single covalent bond.
2The molecular formula of water is H2O. It contains 2 atoms of hydrogen.H2O =2 atoms of hydrogen.
Ammonium sulphate (NH4)2SO4 contains two ammonium ions per unit so there are total 8 hydrogen atoms.
To answer your question on how many hydrogen atoms are there in caffeine, the scientific answer would be 10 atoms of hydrogen.
Three-quarters of the Sun's mass is hydrogen. How many hydrogen atoms are in the Sun?
The number of atoms in a molecule varies depending on the specific molecule. For example, a water molecule (H2O) contains three atoms (two hydrogen atoms and one oxygen atom), while a methane molecule (CH4) contains five atoms (one carbon atom and four hydrogen atoms).
There are seven atoms in a molecule of Sulfuric Acid.
There are 4 hydrogen atoms in CH4O
There are two atoms of Hydrogen in the molecule.
Fructose has 6 hydrogen atoms.
Pentyne is CHCCH2CH2CH3. This compound has 8 hydrogen atoms.