Includes full coverage of: 4a, 4b, 4c, 4d
 
Why alkanes are classified as saturated hydrocarbons
How to represent alkanes (and other organic molecules) using genera/empirical/molecular formulae
How to name unbranched chain alkanes (and some other organic compounds)
How to write the possible structural and displayed formulae of an organic molecule given its molecular formula
How to use dot-and-cross diagrams to represent covalent bonds
Organic molecules containing up to 2 carbon atoms
Table of reactions, including reactants, products and examples
How the industrial process of fractional distillation separates crude oil into fractions
Trend in colour, boiling point and viscosity of the main fractions obtained from crude oil
possible products of complete and incomplete combustion of hydrocarbons with oxygen in the air
Why carbon monoxide is poisonous
How the combustion of some impurities in hydrocarbon fuels results in the formation of sulfur dioxide
How sulfur dioxide and oxides of nitrogen contribute to acid rain
How long-chain alkanes are converted to alkenes and shorter-chain alkanes by catalytic cracking (using silica or alumina as the catalyst and a temperature in the range of 600–700 ºC)
Why cracking is necessary, in terms of the balance between supply and demand for different fractions
Reactions of alkanes with halogens in the presence of ultraviolet radiation, limited to mono-substitution
Alkenes & addition polymers

 
Key notes according to the specification
Key tables
Definitions of keywords
Mnemonics to aid memory
 
NOTE: all science notes are DOUBLE AWARD only (NOT triple!!)