We’re being asked to identify the starting nuclide for the nuclear reaction. It’s said that technetium–97 (9743Tc) is produced by the absorption of hydrogen–2 (21H) and the emission of 2 neutrons (10n).
From this, we can say that 21H is a reactant while 9743Tc and 10n are products. The incomplete nuclear equation is:
_____ + 21H → 9743Tc + 2 10n
Recall that the nuclear equation must be balanced with the same total atomic mass and atomic number on both sides.
Technetium-97 can be produced by absorption of 2H and emission of two neutrons. What is the starting nuclide?
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