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  • What elements make up hydrogen peroxide, and how many atoms of each element are there?
    Hydrogen and Oxygen. There are 2 atoms of Hydrogen and 2 atoms of Oxygen.
  • When one carbon atom bonds chemically with two oxygen atoms, carbon dioxide is formed. This new substance is BEST defined as a ________________.
    compound
  • Solid, liquid or gas? Takes the shape of its container.
    Liquid
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