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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

(f) Ionic bonding

(g) Covalent bonding

1.44 Covalent bonds

1.45 Covalent electrostatic attractions

1.46 Covalent dot-and-cross diagrams

1.47 Simple molecular structures

1.48 Molecular mass and boiling point

1.49 Giant covalent structures

1.50 Diamond, graphite and fullerene

1.51 Covalent conductivity

(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

IGCSE Chemistry 1.51 Covalent conductivity Topic Practice

1.51 Covalent conductivity

Know that covalent compounds do not usually conduct electricity

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