MCQ
Select the $CORRECT$ set of group number and period of element $''Uub''$ .
- A$10,7$
- B$12,6$
- ✓$12,7$
- D$11,7$
✓
Answer
Correct option: C.
$12,7$
c
$112-[Rn]$ , $7s^2, 5f^{14}$ , $6d^{10}$
$112-[Rn]$ , $7s^2, 5f^{14}$ , $6d^{10}$
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