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Structure of Atom question

2014 · Q104
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Structure of Atom question

2014 · Q104

NEETChemistryStructure of AtomMCQ+4 / −1
Be2+ is isoelectronic with which of the following ions ?
  1. A
    H+
  2. B
    Li+
  3. C
    Na+
  4. D
    Mg2+
View written solutionFree

Correct answer: B

Be2+ has 2 electrons and also Li+ has 2 electrons so Be2+ and Li+ are isoelectronic

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