How many carbon atoms are in propene?

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Multiple Choice

How many carbon atoms are in propene?

Explanation:
In propene, the number of carbon atoms comes from the length of the carbon chain. The name propene and its structural formula CH2=CH-CH3 both show three carbon atoms: a left CH2 group, a middle CH, and a right CH3 group. So there are three carbon atoms in propene. If there were two carbons it would be ethene, if four it would be butene, and if five it would be pentene.

In propene, the number of carbon atoms comes from the length of the carbon chain. The name propene and its structural formula CH2=CH-CH3 both show three carbon atoms: a left CH2 group, a middle CH, and a right CH3 group. So there are three carbon atoms in propene. If there were two carbons it would be ethene, if four it would be butene, and if five it would be pentene.

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