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प्रश्न
Write down the electronic configuration of Th4+.
उत्तर
Th4+ (90): 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6
Or, [Rn]86
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