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
- Afifth period
- Bsixth period
- ✓fourth period
- Dthird period
✓
Answer
Correct option: C.
fourth period
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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