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Reference, Questions and Help => Nuke Q&A => Definitions => Topic started by: Rennhack on Nov 23, 2005, 03:23

Title: Decay, radioactive
Post by: Rennhack on Nov 23, 2005, 03:23

The decrease in the amount of any radioactive material with the passage of time due to the spontaneous emission from the atomic nuclei of either alpha or beta particles, often accompanied by gamma radiation.

Title: Re: Decay, radioactive
Post by: Rennhack on Nov 28, 2005, 10:29

The decrease in the amount of any radioactive isotope with the passage of time due to the spontaneous emission of radiation from the atomic nuclei (either alpha or beta particles, often accompanied by gamma radiation), and consequent transformation to a different chemical form.