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6.2 Radioactive decay and radiation
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Unstable nuclei and radioactive decay

Unstable nuclei and radioactive decay

Every atom has a nucleus containing protons and neutrons, with electrons in shells around it. If the forces inside a nucleus do not balance, the nucleus is unstable.

6.2 Radioactive decay and radiation Lesson

  1. GCSE
  2. /Physics
  3. /6.2 Radioactive decay and radiation

Step-by-step lessons on Edexcel GCSE Physics 6.2 Radioactive decay and radiation. Each one builds up to exam-style questions. Master the required practical work and core equations early, since both papers can draw on content and maths skills from across the whole specification.

Lessons