Chemistry · Classification of Elements
Which of the following represents an incorrect periodic property order?
- 1None of the above
- 2Na+ < F− < O2− : Ionic Size
- 3I < Br < Cl < F : Electron Gain Enthalpy (magnitude)✓
- 4Na < Al < Si < Mg : First Ionisation Enthalpy
Correct answer
I < Br < Cl < F : Electron Gain Enthalpy (magnitude)
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