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What is Radioactivity?       Radioactive Nuclei

Alpha Particles     Beta Particles     Gamma Rays

Summary of the Properties of Radioactivity

Nuclear Equations    Penetrating Ability    Ionising Ability

Detecting Radioactivity    Geiger-Müller Tube    Count Rate

Background Count        Half-Life  -  Calculations


The Uses of Radioactivity

Radio Dating   including   Carbon Dating

Thickness Control    Smoke Detector

Tracers   -   in Industry   -   in Medicine

Radiotherapy      Sterilisation

Generating Electricity  -  Nuclear Power

Rutherford and Marsden's Scattering Experiment


The Dangers of Radioactivity

Cancer    External Radiation    Internal Radiation

Safety Precautions          Radioactive Waste


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