MCQ
Which of the following pair of elements belong to the same period?
- A$Mg$ and $Sb$
- ✓$Ca$ and $Zn$
- C$Na$ and $Ca$
- D$Ca$ and $Cl$
✓
Answer
Correct option: B.
$Ca$ and $Zn$
b
Calcium and zinc both belong to the same period, i.e Period $4$
Calcium and zinc both belong to the same period, i.e Period $4$
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