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  1. GCSE Chemistry Key Words Halogens: The elements in Group 7 of the periodic table. Ion: An atom or molecule with an electric charge due to the loss or gain of electrons. Isotope: Atoms of the same element with the same number of protons but a different number of neutrons. Mass number: The total number of protons and neutrons in the nucleus.

  2. 4.3 Quantitative chemistry 36 4.4 Chemical changes 43 4.5 Energy changes 51 4.6 The rate and extent of chemical change 55 4.7 Organic chemistry 61 4.8 Chemical analysis 70 4.9 Chemistry of the atmosphere 75 4.10 Using resources 80 4.11 Key ideas 89 5 Scheme of assessment 91 5.1 Aims and learning outcomes 91 5.2 Assessment objectives 92

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  3. Questions by Topic. 2.1 Chemical Bonds - Ionic, Covalent and Metallic MS. 2.1 Chemical Bonds - Ionic, Covalent and Metallic QP. 2.2 Bonding and Structure MS. 2.2 Bonding and Structure QP. 2.3 Structure and Bonding of Carbon MS. 2.3 Structure and Bonding of Carbon QP. 2.4 Bulk and Surface Properties of Matter MS (separate only)

  4. The average (weighted mean) mass of a formula unit relative to one-twelfth of the mass of an atom of carbon-12. 1.2.5 Relative molecular mass (RMM) The average (weighted mean) mass of a molecule relative to one-twelfth of the mass of an atom of carbon-12. 1.2.11 First ionisation energy The energy required to convert one mole of gaseous atoms into

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  5. Year 9 AQA GCSE Chemistry Revision Booklet Use this booklet to help you with your revision in preparation for your year 9 Chemistry examination. There are lots of tips and hints to make sure that the time you spend revising is effective. This checklist tells you exactly what needs to be learnt and could be examined in each topic.

  6. Required Practical: Analysis & Purification of Water Samples. Life Cycle Analysis & Recycling. Using Materials. Haber Process & NPK Fertilisers. Revision notes for the AQA GCSE Chemistry syllabus, written by the Chemistry experts at Save My Exams.

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  8. Apr 24, 2020 · AQA GCSE Chemistry Definitions (new 9-1 spec) These are the full set of keywords and definitions for AQA GCSE Chemistry. These glossaries will help students learn all the key phrases needed for their exams. Definitions in bold are for higher tier only. Definitions marked by ‘’ are for separate sciences only .

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