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d and f Block ElementshardMCQ SINGLE

The electronic configuration of Pt (atomic number 78) is: 14 9 1 14 10 14 10 14 8 2 14 9 1 (A) [Xe] — d and f Block Elements Chemistry Question

Question

The electronic configuration of Pt (atomic number 78) is: 14 9 1 14 10 14 10 14 8 2 14 9 1 (A) [Xe] 4f 5d 6s (B) [Kr] 4f 5d (C) [Xe] 4f 5d (D) [Xe] 4f 5d 6s

Answer: D) [XE] 4F 5D 6S

💡 Solution & Explanation

The electronic configuration of platinum (78) is- Pt = [Xe] 4f 5d 6s

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