X$^{2-}$ has 56 electrons, the atomic number X is

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Atomic StructureIntro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scatteringEASYJEE Chemistry
X$^{2-}$ has 56 electrons, the atomic number X is **Options:** - **A.** 56 - **B.** 58 - **C.** 28 - **D.** 54 --- **Difficulty:** EASY | **Chapter:** Atomic Structure | **Topic:** Intro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scattering

Official Solution

## ✅ Correct Answer: **D** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✗ 56... (B) ✗ 58... (C) ✗ 28... (D) ✓ 54... **Correct Answer: (D)** **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 StructureIntro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scatteringEASYJEE Chemistry