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It is common knowledge that the chemical formula for water is H2O. In chemical formulae, subscripts apply to the letters that they go after. So there are 2 Hydrogens in a single water molecules.

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12y ago
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11y ago

There are 2 hydrogen atoms in a single water molecule. That's why it's chemical formula is H2O (but the 2, when written is a subscript 2).

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14y ago

There are two hydrogen atoms in a water molecule.

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12y ago

There are 2 hydrogen atoms and 1 oxygen atom in a water molecule.

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10y ago

there are 2 atoms of hydrogen in water

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Q: How many atoms of Hydrogen are present in a water molecule?
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Related questions

How many hydrogen atoms are present in a water molecule?

there are 2 atoms of hydrogen in water


How many hydrogen atoms atoms are present in each water molecule?

There are 2 hydrogen atoms present in each water molecule. This can be seen from the formula for water H2O -- this tells us there are 2 atoms of hydrogen combined with 1 atom of oxygen


How many molecules are present in a molecule of hydrogen?

there are 2 atoms of hydrogen in water


How many hydrogen atom are present in each molecule?

Per every water molecule, there are 2 hydrogen atoms and 1 oxygen atom. These atoms make up a water molecule.


Oxygen and which other element make a water molecule?

Hydrogen. One Oxgen and two Hydrogen atoms are present in a water molecule, which has the formula H2O.


Which atoms and how many of each is present in a water molecule?

H2O. Two atoms of hydrogen and one atom of oxygen.


How many atoms does water make up?

There are three atoms in a molecule of water. One oxygen atom and 2 hydrogen atoms. The simplified form for the molecule of water is H2O which is a coded form for the 2 hydrogen and 1 oxygen atoms that make up the molecule.


How many hydrogen atoms in water?

2 hydrogen atoms per molecule of water.


How many atoms are there of hydrogen in water?

H2OCount two atoms hydrogen in one molecule of water.


How many atoms are there in a molecule os water?

In one molecule of water there are 3 atoms. One oxygen atom and two hydrogen atoms.


How many atoms of hydrogen are in water molecule?

the water molecule is H2O so it has 2 atoms of hydrogen in it. (plus an atom of oxygen)


Is water an example of an atom?

Water is a compound. A molecule of water is made up of two hydrogen atoms and one oxygen atoms. Oxygen and hydrogen are both elements. Water is a compound. A molecule of water is made up of two hydrogen atoms and one oxygen atoms. Oxygen and hydrogen are both elements.