UPSC CDS II 2025 GK Paper

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Question : 37 of 120

Marks: +1, -0

Which one of the following general electronic configurations correctly represent transition metal element?

(‌n‌−2)‌d‌1−10‌n‌‌s‌2
(‌n‌−2)‌f‌1−14(‌n‌−1)‌d‌0−1‌n‌‌s‌2
‌n‌‌s‌2‌n‌‌p‌6‌n‌‌d‌1−10
(‌n‌−1)‌d‌1−10‌n‌‌s‌0−2

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