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Chemistry Lessons

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Step-by-step CIE IGCSE Chemistry lessons by topic, building up to exam-style questions. Build a solid grasp of atomic structure, bonding and the mole concept early, since these underpin almost every other topic, then move on to the more calculation-heavy quantitative and organic chemistry content.

States of matter

Solids, liquids and gases

Atoms, elements and compounds

Elements, compounds and mixtures

Atomic structure and the Periodic Table

Isotopes

Ions and ionic bonds

Simple molecules and covalent bonds

Giant covalent structures

Metallic bonding

Stoichiometry

Formulae

Relative masses of atoms and molecules

Electrochemistry

Hydrogen–oxygen fuel cells

Chemical energetics

Exothermic and endothermic reactions

Chemical reactions

Physical and chemical changes

Rate of reaction

Reversible reactions and equilibrium

Redox

Acids, bases and salts

The characteristic properties of acids and bases

Oxides

Preparation of salts

The Periodic Table

Arrangement of elements

Group I properties

Group VII properties

Transition elements

Noble gases

Metals

Uses of metals

Alloys and their properties

Reactivity series

Corrosion of metals

Extraction of metals

Organic chemistry

Formulae, functional groups and terminology

Naming organic compounds

Fuels

Alkanes

Alkenes

Alcohols

Polymers

Experimental techniques and chemical analysis

Experimental design

Acid-base titrations

Chromatography

Separation and purification

Identification of ions and gases