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Two Hydrogen atoms are bonded with one Oxygen atom. H2O.

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13y ago
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3w ago

The "2" in the formula for water (H2O) indicates that one molecule of water is composed of two hydrogen atoms and one oxygen atom bonded together. It represents the ratio of hydrogen to oxygen atoms in a water molecule.

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Q: What does the 2 in the formula for water indicate?
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Related questions

What does the subscript 2 indicate in the formula?

there are two atoms in the molecule


What is the formula AG SO42?

The formula for the sulfate ion is SO4^2-. The prefix "AG" may indicate silver, in which case the formula would be Ag2(SO4)2.


In a chemical formula what is used to indicate the number of atoms of each element?

It is called a subscript. For example: In the formula for water (H2O), 2 is the subscript indicating that there are 2 hydrogen atoms in the compound .


What chemical formula H20?

H2O is 2 hydrogens plus 1 oxygen and that makes the chemical formula for water.


How many subscripts does the formula for water have?

The formula for water is H2O, the single subscript is the number 2.


What is the formular of water?

The chemical formula for water, liquid, solid or gaseous is the same - H2OIn some texts you will find a little cursive L in brackets to indicate that it is liquid, or a little g to indicate gas, or a little s to indicate solid.


What part of the chemical formula indicates the number or molecules or atoms involved?

coefficients


What does the subscription indicate in the chemical formula co2?

The 2 indicates that there are 2 oxygen atoms.


What is the chemical formula for quicklime with water?

The chemical formula for quicklime is CaO and when it reacts with water, it forms calcium hydroxide (Ca(OH)2).


What is the chemical formula of lime-water?

The chemical formula of lime-water is Ca(OH)2, which is calcium hydroxide.


Does a chemical formula only indicate kinds of atoms that are present in a molecule?

No, the chemical formula shows both the kinds of atom in a molecule and the number of each type of atom. For example, the formula H2O shows that there are 2 hydrogen atoms and one oxygen atom in a water molecule.


How can you tell how many atoms of each element there are?

You can determine the number of atoms of each element in a compound by using the chemical formula of the compound. The subscripts in the formula indicate the number of atoms of each element. For example, in H2O (water), there are 2 hydrogen atoms and 1 oxygen atom.