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Structure of Atom question

2006 · Shift 0 · Q47
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Structure of Atom question

2006 · Shift 0 · Q47

JEE MainChemistryStructure of AtomMCQ+4 / −1
Which of the following sets of ions represents a collection of isoelectronic species?
  1. A
    N3−N_3^-N3−​, O2−O^{2-}O2−, F−F^-F−, S2−S^{2-}S2−
  2. B
    Li+Li^+Li+, Na+Na^+Na+, Mg2+Mg^{2+}Mg2+, Ca2+Ca^{2+}Ca2+
  3. C
    K+K^+K+, Cl−Cl^-Cl−, Ca2+Ca^{2+}Ca2+, Sc3+Sc^{3+}Sc3+
  4. D
    Ba2+Ba^{2+}Ba2+, Sr2+Sr^{2+}Sr2+, K+K^+K+, Ca2+Ca^{2+}Ca2+
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