Answer :

ForsakenInsanity

Explanation:

So there are two reasons to write it as O2: 1. O2 is almost always the form of oxygen in a reaction, and 2. One needs to specify the form to describe how it will react. Other elements that usually exist as diatomic molecules are written as the dimer for the same reasons.

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Oxygen gas wrote as [tex]\bold{O_2}[/tex] in a chemical equation.  Oxygen is present in nature only in molecular form.

Molecule:

  • When two or more atoms are combined by bonds to form a new chemical entity.
  • An oxygen atom has 6 electrons in the outer shell, so they lakes 2 electrons to complete the octet.
  • Thus oxygen atoms are combined by a covalent double bond to form an oxygen molecule.

Therefore, oxygen is present in nature in molecular form.

learn more about Molecule:

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