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Which series of subshells is arranged in the order of increasing energy for multi-electron atoms?

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Atomic StructureDrawbacks of Bohr model, quantum model intro, quantum numbersHARDJEE Chemistry
Which series of subshells is arranged in the order of increasing energy for multi-electron atoms? **Options:** - **A.** 6s, 4f, 5d, 6p - **B.** 4f, 6s, 5d, 6p - **C.** 5d, 4f, 6s, 6p - **D.** 4f, 5d, 6s, 6p --- **Difficulty:** HARD | **Chapter:** Atomic Structure | **Topic:** Drawbacks of Bohr model, quantum model intro, quantum numbers

Official Solution

## ✅ Correct Answer: **A** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✓ 6s, 4f, 5d, 6p... (B) ✗ 4f, 6s, 5d, 6p... (C) ✗ 5d, 4f, 6s, 6p... (D) ✗ 4f, 5d, 6s, 6p... **Correct Answer: (A)** **Key Concept:** Apply fundamental principles of atomic structure to identify the correct option. --- *This is an official solution provided by Chem Mantra. For more chemistry questions and solutions, explore our [question bank](/courses).*

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Atomic StructureDrawbacks of Bohr model, quantum model intro, quantum numbersHARDJEE Chemistry