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Chemistry, 13.10.2019 13:30 tiffg3140

Which isotope will spontaneously decay and emit particles with a charge of +2?
(1) 53fe (3) 198au
(2) 137cs (4) 220fr

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Which isotope will spontaneously decay and emit particles with a charge of +2?
(1) 53fe (3) 1...

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