Grade 9 | OCR Gateway Chemistry Paper 1 | Whole topic revision

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00:00:00 Start
00:00:28 Topic 1; The particle model; States of matter
00:02:24 Development of the atom
00:04:50 Atoms, elements and compounds
00:24:00 Topic 2; Elements, compounds and mixtures
00:25:00 Pure
00:26:21 Relative Formula Mass
00:27:37 Empirical formula
00:28:46 Formulations
00:29:29 Mixtures
00:34:01 Chromatography
00:39:35 Metals and Non-Metals
00:42:22 Periodic Table
00:44:48 Chemical bonding
00:45:27 Ionic bonding
00:50:55 Representation of ionic compounds
00:53:05 Covalent bonding
00:55:15 Giant covalent structures
00:56:15 Properties of small molecules
00:57:16 Polymers
00:58:32 Representing covalent compounds
00:59:57 Diamond structure
01:00:58 Graphite structure
01:02:10 Graphene
01:03:10 Fullerene
01:04:15 Metallic bond
01:06:24 Nanoparticles [Separate Chemistry Only]
01:09:30 Topic 3; Chemical Reactions
01:10:30 Conservation of Mass
01:11:48 Mass changes
01:12:39 Name endings and formula
01:14:40 Writing Ionic equations
01:16:25 Writing half equations
01:17:38 State symbols
01:18:00 Moles
01:24:04 Limiting reagents
01:27:34 Energy conservation
01:28:17 Exothermic
01:29:37 Endothermic
01:30:45 Investigation temperature changes
01:35:13 Reaction profiles
01:36:25 Energy change of reactions
01:40:22 Bond breaking making summary
01:40:55 Metal Oxides
01:41:34 OILRIG
01:42:40 Acids and alkalis
01:45:50 Acid and metals
01:46:05 Acid - redox
01:47:47 Acid neutralisation
01:51:00 Strong weak acids
01:52:11 Concentration
01:53:05 Ph changes
01:54:05 Electrolysis
01:55:11 Molten electrolysis
01:57:03 Electrolysis aqueous


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