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What radionuclide decays to Br-73 by positron emission?

Updated: 4/28/2022

Jackiemason1979 ∙

Lvl 1

∙ 13y ago

Best Answer

Work backwards. Positron emission means (essentially) a proton decayed into a neutron/positron pair. The mass number remains the same, but the atomic number goes down one to Bromine.

Krypton has an isotope that fits this bill.

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