Edexcel IGCSE Chemistry 1.32 Empirical and Molecular Formulae Topic Practice

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Pearson Edexcel International GCSE Chemistry

1 Principles of chemistry

(a) States of matter

(b) Elements, compounds and mixtures

(c) Atomic structure

(d) The Periodic Table

(e) Chemical formulae, equations and calculations

1.25 Chemical equations

1.26 Relative formula mass

1.28 Amount of substance calculations

1.29 Reacting masses

1.30 Percentage yield

1.31 Experimental formulae

1.32 Empirical and molecular formulae

1.33 Formula calculations

1.34C Solution concentration calculations

1.35C Gas volume calculations

1.36 Metal oxide formula practical

(f) Ionic bonding

(g) Covalent bonding

(h) Metallic bonding

(i) Electrolysis

2 Inorganic chemistry

(a) Group 1 (alkali metals) – lithium, sodium and potassium

(b) Group 7 (halogens) – chlorine, bromine and iodine

(c) Gases in the atmosphere

(d) Reactivity series

(e) Extraction and uses of metals

(f) Acids, alkalis and titrations

(g) Acids, bases and salt preparations

(h) Chemical tests

3 Physical chemistry

(b) Rates of reaction

(c) Reversible reactions and equilibria

4 Organic chemistry

(a) Introduction

(f) Carboxylic acids

(h) Synthetic polymers

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