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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The triad which is isoelectronic:
  • A
    Na+, O2-, Ne
  • B
    Na+, Al, N3-
  • C
    CI-, Ar, Ca
  • D
    Mg2+, F-, O
✓

Answer

  1. Na+, O2-, Ne

Explanation:

Isoelectronic Species are those atoms which have the same electronic configuration or same number of electrons. For eg- N3-, O2-, F-, Ne, Na+, Mg2+, Al3+ are a series of isoelectronic species.

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