. General electronic configuration of lanthanides is
A: (n - 2) f1 - 14 (n - 1)d0 - 1 ns2
B: (n - 2) f10 - 14(n - 1)d10 - 1ns2
C: (n - 2)f0 - 14 (n - 1)d10ns2
D: (n - 2)d0 - 1(n - 1)f1 - 14ns2
Best Answer
Explanation:
- The electronic filling will take place according to the Aufbau principle(n+l rule).
- Lanthanides include elements with atomic no. between 58 to 71.
- Example: Gadolinium(Gd)- [Xe]4f7 5d1 6s2.
Final Answer:
Hence, Option (A) is correct.
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