Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Chemical Periodicity Ionization Potential
The second ionization enthalpies of elements are always higher than their first ionization enthalpies because:
1
cation formed always have stable half filled or completely filled valence shell electron configuration.
2
it is easier to remove electron from cation.
3
ionization is an endothermic process.
4
the cation is smaller than its parent atom.
5
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