Which statements describe how chemical formulas, such as H2O, represent compounds? Check all that apply.
They show the types of molecules that make up an atom.

They show the elements that make up a compound.

They show the three-dimensional shape of a molecule.

They show the types of atoms that make up a molecule.

They show the number of each type of atom in a molecule.

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The statements that apply in this case are:

They show the elements that make up a compound.

They show the types of atoms that make up a molecule.

They show the number of each type of atom in a molecule.

The correct statements that apply to the compound are;

  • they show the elements that make up a compound
  • they show the types of atoms that make up a molecule
  • they show the number of each type of atom in a molecule

The chemical formula of water is written as;

[tex]2H_2 + O_2 ---->2 H_20[/tex]

The conclusions that can be drawn in the compound formed in the above reaction are summarized as follows;

  • the elements in the chemical equation is hydrogen and oxygen
  • it has 2 atoms of hydrogen
  • it has 1 atom of oxygen

Thus, the correct statements that apply to the compound are;

  • they show the elements that make up a compound
  • they show the types of atoms that make up a molecule
  • they show the number of each type of atom in a molecule

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