Ozone is a gas found in the upper atmosphere that protects us from harmful UV light. Its chemical formula is O3.Compare the formulas of ozone and oxygen gas (O2). Identify one similarity and one difference.
Question
Ozone is a gas found in the upper atmosphere that protects us from harmful UV light. Its chemical formula is O3.Compare the formulas of ozone and oxygen gas (O2). Identify one similarity and one difference.
Solution
Similarity: Both ozone (O3) and oxygen gas (O2) are made up of the same element, which is oxygen. This is evident from their chemical formulas, where 'O' represents the oxygen atom.
Difference: The key difference between the two is the number of oxygen atoms that make up the molecules. In ozone, there are three oxygen atoms (as indicated by the subscript '3' in O3), while in oxygen gas, there are only two oxygen atoms (as indicated by the subscript '2' in O2). This difference in the number of atoms results in different physical and chemical properties for the two substances.
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