Correct answer: A.   7 1 2 Gd Xe 4f 5d 6s    3 7 Gd Xe 4f      n n 2 7 7 2

See image | AITS & Test Series — Chem-Mantra

AITS & Test SerieshardMCQ SINGLE

Question

See image

Answer: A

💡 Solution & Explanation

  7 1 2 Gd Xe 4f 5d 6s    3 7 Gd Xe 4f      n n 2 7 7 2

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