Exit to Radioactivity and the nuclear atom

Radioactivity written questions

Structured and data-based Paper 2 practice for radioactivity: nuclide notation, alpha/beta/gamma, half-life, background correction, and applications and hazards.

  • SEC G3 Physics 2027
Learning goals
  • Describe atomic composition
  • Use proton number, nucleon number and isotope
  • Use and interpret nuclide notation
  • Explain random and spontaneous nuclear decay
  • Describe alpha, beta-minus and gamma radiation
  • Compare ionising effect and penetrating power
  • Use nuclide equations for radioactive decay
  • Explain background radiation
  • Use half-life in tables and decay curves
  • State radioactivity applications and hazards
  • Evaluate uses and hazards using half-life and radiation properties
  • Relate fission and fusion to nuclear-energy release

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