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what is radioactivity.

  • Shivanshu
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  • 3 Answers
3 Answers
  • Radioactivity is a phenomena in which the nuclei of an atom release sub atomic particles like alpha, beta, gamma and these are called as radiations.


  • Spontaneous disintegration of atomic nuclei to release sub atomic particles or radiation is known as radioactivity.


  • Radioactive decay occurs in unstable atomic nuclei – that is, ones that don’t have enough binding energy to hold the nucleus together due to an excess of either protons or neutrons.It comes in three main types – named alpha, beta and gamma for the first three letters of the Greek alphabet...

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