activity & decay

• label

  A) radioactive nuclei

  B) sources

  C) rates

  D) activity

  E) rate

  F) unstable nuclei

  G) source

  H) decays

  I) Bq

  J) 1 nucleus

  K) 1 second

  
• label

  A) radioactive particles

  B) gm tube

  C) fluctuations

  D) randomness

  
• label

  A) nuclei decay

  B) second

  C) rate

  D) unstable nuclei decay

  E) rate

  F) radioactive emissions

  G) detected