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Structure of the Atom — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
Question
The triad which is isoelectronic:
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Answer

Isoelectronic Species are those atoms which have the same electronic configuration or same number of electrons. For eg$- N^{3-}, O^{2-}, F^-, Ne, Na^+, Mg^{2+}, Al^{3+}$ are a series of isoelectronic species.

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