Multiple choice

Which of the following statements regarding radioactive disintegration series is false?

  1. Starting element of 4n disintegration series is Th-232.

  2. Neptunium series is artificial radioactive disintegration series.

  3. The end product of 4n+2 disintegration series is Pb-206.

  4. The actinium series emits 6α and 4β particles.

  5. The end product of 4n+3 series is Pb-207.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

4n+3 disintegration series (Actinium series) Starting element - U-235 End product -  Pb-207 Emits 7α and 4β particles. Natural radioactive disintegration series

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