Write the electronic configuration of Zn+2 ion. (Atomic number of zinc is 30).

Q.2 (v) Write the electronic configuration of Zn⁺² ion. (Atomic number of zinc is 30).

Doubtly Asked 29 Oct 2026 Board exam · July 2024 hsc 12th Save WhatsApp Report

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Answer: Zn²⁺: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰, i.e. [Ar] 3d¹⁰.

Zn is [Ar] 3d¹⁰ 4s²; the two 4s electrons are lost to form Zn²⁺. With a completely filled d subshell the ion is colourless and diamagnetic.

Doubtly AI · 29 Oct 2026 AI-verified · Nov 2026 Report

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