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ChemistryMediumMCQ2024 · 29 Jan Shift 2

Q32.The element having the highest first ionization enthalpy is (1) Si (2) Al (3) N (4) C

What This Question Tests

This question assesses the understanding of periodic trends in first ionization enthalpy, particularly the higher value for elements with stable half-filled or fully-filled subshells.

Concepts Tested

First ionization enthalpyElectron configurationPenetration effectStability of half-filled/fully-filled orbitals

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