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In 2Fe2O3, there are a total of 10 atoms: 4 iron atoms (2 x 2) and 6 oxygen atoms (2 x 3).

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1y ago

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How many elements are in 2Fe2O3?

In 2Fe2O3, there are 2 iron (Fe) atoms and 3 oxygen (O) atoms, giving a total of 5 atoms.


What shows how many atoms of each element are in a unit of substance?

The chemical formula shows you this. The subscripted number next to each element shows how many atoms are present in a molecule or formula unit. If no number is shown, then only one atom of that element is present.


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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.


How many oxygen atoms are present in the reactant side of the chemical equation 4Fe 3O2 2Fe2O3?

There are 6 oxygen atoms present on the reactant side of the chemical equation (4Fe + 3O_2 \rightarrow 2Fe_2O_3).


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Some elements have isotopes - atoms with a different number of neutrons.


How many number of atoms of each element in a chemical formula?

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