Sign up to our 2025 A level and International A level revision courses at Hazel explains all of the first year content from the AQA A Level (and AS level) Chemistry course. All notes used in the recording have been taken from our AQA A Level Chemistry Perfect Answer Revision Guide: Topic Timings: Atomic structure 00:01:02 Mass spectrometer 00:11:26 Time of Flight (TOF) Mass Spec 00:25:28 Electronic configurations 00:32:58 Ionisation energy 00:48:28 Avogadro's constant 01:09:20 Ideal Gas Equation 01:12:09 Balancing ionic equations 01:22:04 Atom Economy 01:23:25 Percentage yield 01:25:12 Excess vs limting reagents 01:28:42 How to carry out a titration 01:30:43 Titration calculations 01:35:42 Uncertainties 01:38:38 Ionic bonding 01:42:48 Covalent bonding 01:44:07 Chemical structures 01:47:28 Shapes of Molecules (VSEPR) 01:50:37 Electronegativity 02:04:51 London Forces/Van der waals 02:07:30 Hydrogen bonding 02:11:25 Energetics 02:14:58 Hess’ Law 02:22:07 Bond enthalpy 02:31:48 Kinetics 02:34:01 Equilibria 02:43:56 Kc 02:50:12 Oxidation states 03:08:03 Balancing redox equations 03:20:45 Period 3 03:26:52 Group 2 03:29:51 Group 7 (17) 03:45:20 Testing for halides 04:11:07 Testing for anions and cations 04:18:00 Organic chemistry intro 04:22:53 Using IUPAC to name compounds 04:26:54 Structural isomers 04:36:14 Stereoisomerism 04:40:29 Alkanes 04:47:33 Free radical substitution 04:55:44 Ozone depletion 04:59:19 Halogenoalkanes 05:10:28 Nucleophilic substitution 05:14:57 Elimination 05:22:42 Electrophilic addition 05:30:37 Addition polymers 05:45:04 Alcohols 05:49:24 Oxidation of alcohols 05:57:53 Elimination of alcohols 06:08:38 Organic analysis 06:15:12 For private tuition and Perfect Answer Revision Guides, visit SwH Learning is the new name for Science with Hazel These SwH Learning videos are designed to help with your A level science revision. To keep up to date with my SwH Learning videos and support: Visit my website: Follow me on Instagram: Add me on Snapchat: Like my Facebook page: Hazel completed her undergraduate degree at St John's College, the University of Cambridge. She then did a PGCE (Post-Graduate Certificate of Education) before qualifying as a science teacher. She now works full time as a professional tutor. Material required for Grade 9 (A*) is included. Please leave any topic requests in the comments below.