MCQ
The element that does not belong to the same period of the remaining elements (modern periodic table) is:
- ✓Palladium
- BIridium
- COsmium
- DPlatinum
✓
Answer
Correct option: A.
Palladium
(A)
Palladium $\Rightarrow 5^{\text {th }}$ period
Iridium, Osmium, Platinum $\Rightarrow 6^{\text {th }}$ Period
Palladium $\Rightarrow 5^{\text {th }}$ period
Iridium, Osmium, Platinum $\Rightarrow 6^{\text {th }}$ Period
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