General Chemistry
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Write the noble gas electron configuration of a Tc4+ ion (assume that it is in the ground state) and give the number of electrons that are not paired.
electron configuration: [Kr]4d3
unpaired electrons: 3
electron configuration: [Kr]5s24d1
unpaired electrons: 1
electron configuration: [Kr]5s24d8
electron configuration: [Kr]4d5
unpaired electrons: 5