The elements with the lowest atomic number that has a ground stat… - Vidyadip

MCQ

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

A
fifth period
B
sixth period
✓
fourth period
D
third period

✓

Answer

Correct option: C.

fourth period

c
For $d$, minimum orbital is $3 d$, which is in the fourth period $\{$ Option $C \}$

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