Chemistry Key Stage 3

Contents

The Particulate Nature of Matter

Particle Model

• Solid
• Liquid
• Gas
• Gas Pressure
• Diffusion

State Changes

• Melting
• Freezing
• Evaporating
• Condensing
• Subliming
• Depositing

Atoms, Elements and Compounds

The Dalton Model

• Atom
• Element
• Molecule
• Compound
• Mixture

Basic Principles of Chemistry

• Chemical Symbols
• Chemical Formulae
• Chemical Reactions
• Conservation of Mass

Pure and Impure Substances

• Pure
• Mixture
• Solution
  • Solvent
  • Solute
  • Soluble
  • Insoluble
• Diffusion

Separating Mixtures

• Filtration
• Evaporation
• Distillation
• Chromatography
• Identifying Pure Substances

Chemical Reactions

Representing Chemical Reactions

• Chemical Formula
• Chemical Equation
  • Word Equation
  • Balanced Symbol Equation

Acids and Bases

• Acid
  • Hydrochloric Acid
  • Sulphuric Acid
  • Nitric Acid
• Base
  • Metal Oxides
  • Metal Carbonates
  • Alkalis
• pH Scale

Indicators

• Litmus Paper
• Red Cabbage Indicator
• Universal Indicator
• Phenolphthalein
• Methyl Organge
• Bromothymol Blue

Reactions of Acids

• Acid + Metal
• Acid + Metal Oxide
• Acid + Metal Hydroxide
• Acid + Metal Carbonate

Catalyst

Examples of Chemical Reactions

• Combustion
• Thermal Decomposition
• Oxidation
• Displacement Reaction
• Neutralisation

Energetics

• Energy and State Changes
• Exothermic Reaction
• Endothermic Reaction

The Periodic Table

• Chemical Symbol
  • Atomic Number
  • Atomic Mass
• Physical Properties of Elements
• Chemical Properties of Elements
• Mendeleev
• Period
  • Electron Shells
• Group
  • Patterns in Reactivity
• Metals
• Non-metals
• Metal Oxides (acidity)
• Non-metal Oxides (acidity)

Materials

Reactivity Series

Extraction of Metals

• Native
• Ore
• Smelting
• Electrolysis

Properties of non-metal materials

• Ceramics
• Polymers
• Composite Materials

The Earth and its Atmosphere

Composition of the Earth

Structure of the Earth

Rock Cycle

• Igneous
• Sedimentary
• Metamorphic

Earth's Resources

• Recycling
• Carbon Cycle
• Earth's Atmosphere
• Climate Change