Chemistry

Assessment

The same combination of theory and practicality allows thorough coverage of the specification. A level specification – AQA 7405 A level of Chemistry requires the AS content listed above plus: 3.1 Physical chemistry • 3.1.8 Thermodynamics • 3.1.9 Rate equations • 3.1.10 Equilibrium constant Kp for homogeneous systems • 3.1.11 Electrode potentials and electrochemical cells • 3.1.12 Acids and bases 3.2 Inorganic chemistry • 3.2.4 Properties of Period 3 elements and their oxides • 3.2.5 Transition metals • 3.2.6 Reactions of ions in aqueous solution 3.3 Organic chemistry • 3.3.7 Optical isomerism • 3.3.8 Aldehydes and ketones • 3.3.9 Carboxylic acids and derivatives • 3.3.10 Aromatic chemistry • 3.3.11 Amines • 3.3.12 Polymers • 3.3.13 Amino acids, proteins and DNA • 3.3.14 Organic synthesis • 3.3.15 Nuclear Magnetic Resonance Spectroscopy • 3.3.16 Chromatography Paper 1 • Physical chemistry topics (sections 3.1.1 to 3.1.4, 3.1.6 to 3.1.8 and 3.1.10 to 3.1.12) • Inorganic chemistry (Section 3.2) • Relevant practical skills • Written exam: 35% of A level • 2 hours 105 marks • 105 marks for short and long answer questions Paper 2 • Relevant Physical chemistry topics (sections 3.1.2 to 3.1.6 and 3.1.9) • Organic chemistry (Section 3.3) • Relevant practical skills • Written exam: 35% of A level • 2 hours • 105 marks for short and long answer questions Paper 3 • Any content. Any practical skills • Written exam: 30% of A level 2 hours 90 marks • 40 marks for questions on practical techniques and data analysis • 20 marks of questions testing across the specification • 30 marks of multiple choice questions