Question
The elements with the lowest atomic number that has a ground state electronic configuration of $(n - 1)\, d^6 ns^2$ is located in the
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Answer
c
For $d$, minimum orbital is $3 d$, which is in the fourth period $\{$ Option $C \}$
For $d$, minimum orbital is $3 d$, which is in the fourth period $\{$ Option $C \}$
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