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Structure of Atom question

2019 · 10 Apr · Shift 1 · Q18
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Structure of Atom question

2019 · 10 Apr · Shift 1 · Q18

JEE MainChemistryStructure of AtomMCQ+4 / −1
The isoelectronic set of ions is :
  1. A
    F−F^-F−, Li+Li^+Li+, Na+Na^+Na+ and Mg2+Mg^{2+}Mg2+
  2. B
    Li+Li^+Li+, Na+Na^+Na+, O2−O^{2-}O2− and F−F^-F−
  3. C
    N3−N^{3-}N3−, O2−O^{2-}O2−, F−F^-F− and Na+Na^+Na+
  4. D
    N3−N^{3-}N3−, Li+Li^+Li+, Mg2+Mg^{2+}Mg2+ and O2−O^{2-}O2−
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