STANDARDChemistry-Electronic Configuration
STANDARD Chemistry Lanthanides MCQ Question
Type: MCQ-conceptual-Medium
Gadolinium belongs to 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration of gadolinium?
A
[Xe]4f⁷5d¹6s²
B
[Xe]4f⁶5d²6s²
C
[Xe]4f⁸6d²
D
[Xe]4f⁹5s¹
Correct Answer
Option A
Detailed Explanation
Gadolinium has an atomic number of 64, and its electronic configuration is [Xe]4f⁷5d¹6s², which reflects its position in the 4f block.
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