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radioactive isotopes

Title English: 
radioactive isotopes
Definition English: 
Radioactive isotope, also called radioisotope, any of several species of the same chemical element with different masses whose nuclei are unstable and dissipate excess energy by spontaneously emitting radiation in the form of alpha, beta, and gamma rays.
Title Arabic: 
نظائر مشعة
Domain: 
Sustainable Development
Subject: 
Environment Management
InformationType: 
Term
SourceSymbol: 
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