Chemistry: every topic explained

States of matter

• Solids, liquids and gases (on the practice-test site)
• Diffusion (on the practice-test site)

Atoms, elements and compounds

• Elements, compounds and mixtures (on the practice-test site)
• Atomic structure and the Periodic Table (on the practice-test site)
• Isotopes (on the practice-test site)
• Ions and ionic bonds (on the practice-test site)
• Simple molecules and covalent bonds (on the practice-test site)
• Giant covalent structures (on the practice-test site)
• Metallic bonding (on the practice-test site)

Stoichiometry

• Formulae (on the practice-test site)
• Relative masses of atoms and molecules (on the practice-test site)
• The mole and the Avogadro constant (on the practice-test site)

Electrochemistry

• Electrolysis (on the practice-test site)

Chemical energetics

• Exothermic and endothermic reactions (on the practice-test site)

Chemical reactions

• Physical and chemical changes (on the practice-test site)
• Rate of reaction (on the practice-test site)
• Reversible reactions and equilibrium (on the practice-test site)
• Redox (on the practice-test site)

Acids, bases and salts

• The characteristic properties of acids and bases (on the practice-test site)
• Oxides (on the practice-test site)
• Preparation of salts (on the practice-test site)

The Periodic Table

• Arrangement of elements (on the practice-test site)
• Group I properties (on the practice-test site)
• Group VII properties (on the practice-test site)
• Transition elements (on the practice-test site)
• Noble gases (on the practice-test site)

Metals

• Properties of metals (on the practice-test site)
• Uses of metals (on the practice-test site)
• Alloys and their properties (on the practice-test site)
• Reactivity series (on the practice-test site)
• Corrosion of metals (on the practice-test site)
• Extraction of metals (on the practice-test site)

Chemistry of the environment

• Water (on the practice-test site)
• Fertilisers (on the practice-test site)
• Air quality and climate (on the practice-test site)

Organic chemistry

• Formulae, functional groups and terminology (on the practice-test site)
• Naming organic compounds (on the practice-test site)
• Fuels (on the practice-test site)
• Alkanes (on the practice-test site)
• Alkenes (on the practice-test site)
• Alcohols (on the practice-test site)
• Carboxylic acids (on the practice-test site)
• Polymers (on the practice-test site)

Experimental techniques and chemical analysis

• Experimental design (on the practice-test site)
• Chromatography (on the practice-test site)
• Separation and purification (on the practice-test site)
• Identification of ions and gases (on the practice-test site)