Question:
Which from following elements belongs to inner transition elements?
Which from following elements belongs to inner transition elements?
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Inner transition elements include Lanthanides (58-71) and Actinides (90-103).
Updated On: Apr 30, 2026
- Cm
- W
- Mo
- Ru
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Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Concept
Inner transition elements are $f$-block elements (Lanthanoids and Actinoids).
Step 2: Analysis
- W (Tungsten), Mo (Molybdenum), and Ru (Ruthenium) are $d$-block transition elements. - Cm (Curium) is an Actinoid (Atomic number 96).
Step 3: Conclusion
Curium belongs to the inner transition elements.
Final Answer: (A)
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