MCQ
The number of elements present in fifth period is
- ✓$18$
- B$32$
- C$8$
- D$24$
✓
Answer
Correct option: A.
$18$
a
The fifth period starts with $Rb \,(37)$ to $Xe\, (54)$. Therefore, a total of $18$ elements.
The fifth period starts with $Rb \,(37)$ to $Xe\, (54)$. Therefore, a total of $18$ elements.
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