☢️☣️✨
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#radioactivity
#unstable element
#uranium
#plutonium
☢️📉At
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#unstable element
#radioactive decay
#element symbol
#at
#element 85
#astatos
4️⃣3️⃣☢️
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#technetium
#element 43
#radioactive element
#atomic number 43
#tc-43
#unstable element
☢️⚡️💥
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#radionuclide
#radioactivity
#radiation energy
#decay event
#high energy
#unstable element
#radioactivity #unstable element #uranium #plutonium