#4.19
know the general formula for alkanes
#4.20
explain why alkanes are classified as saturated hydrocarbons
#4.21
understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers
#4.22
describe the reactions of alkanes with halogens in the presence of ultraviolet radiation, limited to mono-substitution
knowledge of reaction mechanisms is not required