What is the ratio of sulfur atoms to oxygen atoms in SO2?

1S to 2 O.

1:1

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To answer the question, we need to determine the ratio of sulfur atoms to oxygen atoms in SO2, which is the chemical formula for sulfur dioxide.

First, let's look at the chemical formula. In SO2, the "S" represents sulfur, and the "O" represents oxygen. The subscript "2" indicates that there are two oxygen atoms in each molecule of SO2.

Therefore, we can conclude that in one molecule of SO2, there is one sulfur atom and two oxygen atoms.

To find the ratio, we divide the number of sulfur atoms by the number of oxygen atoms. In this case, the ratio is 1:2, meaning that for every one sulfur atom, there are two oxygen atoms in a molecule of SO2.