MP Board · Class 11 · Chemistry · Structure of AtomWhich of the following species is NOT isoelectronic with $Ne$ (Atomic number = 10)?
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Total Attempts: 11
Accuracy Rate: 36.4%
Step-by-Step Solution
$Cl^-$ has 18 electrons ($17 + 1$), whereas $Ne$, $O^{2-}$, $F^-$, and $Na^+$ all have 10 electrons each.
Detailed Options Breakdown
Option : $O^{2-}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of Atom.
Option 1: $F^-$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of Atom.
Option 2: $Na^+$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of Atom.
Option 3: $Cl^-$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
💡 Study Guide: This question tests core syllabus concepts from Structure of Atom. For formulas, key summaries, and mock exam reference guides, read the full Structure of Atom Revision Notes.