Explanation of Structure:
In hydrogen peroxide, there are two hydrogen atoms and 2 oxygen atoms.
Each of the hydrogen atoms bond with one of the two oxygen and the two oxygen bonds
together like the picture above. There is a single bond between all atom and all
bonds are covalent bonds because it is a bond between nonmetals.

Percent Composition:
| Percent Composition by Mass: | Percent Composition by Number: |
| 34.01 grams in 1 H2O2 Molecule | 4 Atoms in 1 H2O2 Molecule |
| 5.93% of Hydrogen Atoms | 2 Hydrogen Atoms |
| 94.07% of Oxygen Atoms | 2 Oxygen Atoms |
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Last modified: April 30, 2000