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World 2 · Stability and Decay · 14 min · PRO

Decay chains and radon

When the product of a decay is itself radioactive

PRO · Atom Core

World 2: Stability and Decay is part of PRO

The first world of Atom Core is free. PRO opens the other 23 lessons in 6 worlds — simulations, quizzes and all.

  • The band of stability
  • Alpha, beta and gamma
  • Half-life with a thousand dice
  • Becquerel, gray, sievert
  • Background radiation and everyday numbers
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  • Practice exams and certificates

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