Chemistry · Classification of Elements and Periodicity in Properties
Which of the following orders is NOT correct for the given property?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Li < Na < K (Metallic radius)
- 2Br < F < Cl (Electron gain enthalpy)
- 3C < N < O (First ionization enthalpy)✓
- 4Mg2+ < Na+ < F- (Ionic radius)
Correct answer
C < N < O (First ionization enthalpy)
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