All of OCR CHEMISTRY Paper 1 in 30 minutes - GCSE Science Revision (Gateway)

Revision app! iOS: https://apps.apple.com/gb/app/science... Android: https://play.google.com/store/apps/de... ---------------------------------------------------- 00:00 Intro 00:20 Elements, Compounds & Mixtures 01:41 Separating Mixtures 02:41 Pure Substances & Formulations 03:13 Chromatography 04:07 States of Matter 05:04 Atomic Structure 06:07 Atomic & Mass Number, Isotopes 07:24 Development of the Periodic Table 07:55 Electron Configuration 08:28 Metals & Non-Metals 09:06 Groups of the Periodic Table 11:24 Metallic Bonding 11:43 Ionic Bonding 12:48 Ionic Structures 13:57 Covalent Bonding 15:29 Giant Covalent Bonding & Structures 17:05 Moles 20:05 Limiting Reactants 20:31 Solution Concentraction 21:01 Reactivity Series, Metal & Displacement Reactions 22:20 Oxidation & Reduction 22:54 Neutralisation 23:49 pH Scale 24:46 Electrolysis of Molten Compounds 25:56 Electrolysis of Solutions 26:53 Exo & Endothermic Reactions 28:56 Bond Energies