KS4 Physics Atomic Structure

Nuclear atom and isotopes

• The Dalton Model of the Atom
• The Plum Pudding Model of the Atom
• The Nuclear Model of the Atom
  • Rutherford's Alpha Scattering Experiment
• The Bohr Model of the Atom
  • Energy Level
• The Atom
• Nucleus
  • Nucleon
  • Protons
  • Neutrons
• Electrons
  • Electron Shells
• Atomic Number
  • Relative Atomic Charge
• Relative Atomic Mass
  • Isotopes
• Calculating the Numbers of Protons, Neutrons and Electrons

Absorption and emission of ionizing radiations and of electrons and nuclear particles

• The Bohr Model of the Atom
  • Energy Level
  • Outer Shell
  • Ions

• Unstable Isotopes
• Radioactive Decay
  • Ionising Radiation
    • Alpha Radiation
    • Beta Radiation
    • Gamma Radiation
    • Neutron Radiation
• Penetration Depth
• Ionising Potential
• Contamination
• Irradiation
• Nuclear Equations
• Half Life

Hazards and uses of radioactive emissions and of background radiation

• Radioactivity
• Count Rate
  • Becquerel
• Radiation Dose
  • Sievert
• Ionising Radiation
• Half Life
• Nuclear Waste
  • High Level Nuclear Waste
  • Intermediate Level Nuclear Waste
  • Low Level Nuclear Waste
• Background Radiation
• Geiger Counter

• Medical Uses of Ionising Radiation
  • Radioactive Tracer
  • Irradiating Tumours

Nuclear fission and fusion

• Unstable Isotope
• Nuclear Fission
  • Nuclear Chain Reaction
  • Nuclear Fission Reactor
    • Fuel Rod
    • Control Rod
    • Moderator
• Nuclear Fusion
• Mass-Energy Equivalence