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
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**Difficulty:** EASY | **Chapter:** Atomic Structure | **Topic:** Intro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scattering