Use the model of a molecule to answer the question.

H H

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H — C — C — O — H

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H H

How many atoms of carbon does this molecule have?

Responses
1) 6 atoms
2) 4 atoms
3) 2 atoms
4) 1 atom

This molecule has 4 atoms of carbon.

To determine the number of atoms of carbon in this molecule, we can use the Lewis structure model.

In the given molecule, there are four carbon atoms (C) present. Each line segment represents a bond between two atoms. In this case, there are three bonds between the carbon atoms and the surrounding hydrogen (H) atoms. Additionally, there is a bond between one of the carbon atoms and the oxygen (O) atom.

When we count the carbon atoms in the molecule, we find that there are four carbon atoms (C) present. Therefore, the correct answer is 2) 4 atoms.