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प्रश्न
Write down the electronic configuration of Lu2+.
उत्तर
Lu2+ (71): 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d1
Or, [Xe]4 f14 5d1
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