Why first ionization enthalpy of magnesium is slightly higher than sodium?
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The first ionization energy of magnesium is larger than sodium because magnesium has one more proton in its nucleus to hold on to the electrons in the 3s orbital. ... The third ionization energy of magnesium is enormous, however, because the Mg2+ ion has a filled-shell electron configuration.
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The first ionization energy of magnesium is larger than sodium because magnesium has one more proton in its nucleus to hold on to the electrons in the 3s orbital. ... The third ionization energy of magnesium is enormous, however, because the Mg2+ ion has a filled-shell electron configuration.
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