Changes

An '''aromatic ring''' is a [[hydrocarbon]], such as [[benzene]], that has a low [[hydrogen]] to [[carbon]] ratio.  As in the case of benzene (formula C₆H₆), the carbon atoms form a hexagonal ring, with each carbon atom bonded in series at each point of the hexagon.  Because of [[double bond|double bonding]], each carbon atom can bond to only one hydrogen.

An '''aromatic ring''' is a [[hydrocarbon]], such as [[benzene]], that has a low [[hydrogen]] to [[carbon]] ratio.  As in the case of benzene (formula C₆H₆), the carbon atoms form a hexagonal ring, with each carbon atom bonded in series at each point of the hexagon.  Because of [[double bond|double bonding]], each carbon atom can bond to only one hydrogen.  There are other shapes as well, including cyclooctatetraene, an octagonal aromatic ring.

 

There are variations to the benzene molecule.  One such variation is [[toluene]] (formula C₇H<sub<8>, also called methylbenzene) where a [[methyl]] group replaces a hydrogen atom.

[[Category:Organic Chemistry]]

[[Category:Organic Chemistry]]