Methylene group

Definition

A methylene group is a functional group consisting of two hydrogen atoms bound to a carbon atom, which is then connected to other parts of a molecule. In the context of alkenes, it often refers to the CH2 unit that can be part of the alkene's structure.

Related terms

Alkene: Hydrocarbons that contain at least one carbon-carbon double bond in their molecular structure.

Functional group: A specific grouping of atoms within molecules that have characteristic properties and reactivity.

Hydrocarbons: Organic compounds made entirely from carbon and hydrogen atoms