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#radioactive decay #half life #nuclear physics #unstable isotope #atom symbol #decay rate

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#radioactive decay #half life #unstable nucleus #particle emission #isotope decay #nuclear physics #decay rate #activity reduction

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#radionuclide #half life #radioactive decay #decay rate #unstable isotope #time decay

☢️⏱️1️⃣

#becquerel #radioactivity #decay rate #radiation unit #SI unit #disintegration rate #one per second

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#becquerel #decay rate #nuclear decay #radioactivity #disintegration rate #activity unit