ionisation enthalpy of beryllium is higher than boron. give reason
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The first ionization of Beryllium is greater than that of Boron because beryllium has a stable complete electronic configuration(1s2 2s2)so it requires more energy to remove the first electron from it......whereas boron has the electronic configuration(1s2 2s2 3s1)which needs lesser energy than that of beryllium to
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