C3H8O
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Count them.
four carbon atoms
four carbon atoms
There are 4 carbon atoms in butyne.
carbon can bond with 4 different atoms.
Nonane has 9 carbon atoms and the formula of C9H20
Decane has 10 carbon atoms and 22 hydrogen atoms.
6 carbon atoms
Three atoms. Carbon dioxide is CO2
Hexanol has 6 carbon atoms.
Malate has four carbon atoms.
Zero. Oxygen is an element.
There are four carbon atoms in a molecule of isobutane.