know that alkenes contain the functional group >C=C<

know the general formula for alkenes

explain why alkenes are classified as unsaturated hydrocarbons

understand how to draw the structural and displayed formulae for alkenes with up to four carbon atoms in the molecule, and name the unbranched-chain isomers

knowledge of cis/trans or E/Z notation is not required

describe the reactions of alkenes with bromine to produce dibromoalkanes

describe how bromine water can be used to distinguish between an alkane and an alkene