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Unstable nuclei and radioactive emission

Unstable nuclei and radioactive emission

Comparison of alpha, beta-minus, and gamma emissions showing their nature, ionising effects, and typical shielding materials

Radioactive emissions come from unstable nuclei, not from the electron shells around the atom. The three emissions you need are alpha, α\alphaα, beta-minus, β−\beta^{-}β−, and gamma, γ\gammaγ.

5.2.2a Alpha, beta and gamma emission Lesson

  1. IGCSE
  2. /Physics
  3. /5.2.2a Alpha, beta and gamma emission

Step-by-step lessons on CIE IGCSE Physics 5.2.2a Alpha, beta and gamma emission. Each one builds up to exam-style questions. Build a strong foundation in mechanics and electricity before tackling the more mathematically demanding astrophysics and nuclear topics.

Lessons