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Periodic table question - IreneOthep - 01-16-2020
Compare the boxed notation electron configurations of magnesium and aluminum In general, the first ionization energy of an element increases going across the period However, aluminum has a lower ionization energy than magnesium Use complete sentences to explain why.Well, to answer this you have to look at the different orbitalsNow, magnesium has a full s orbitalAluminum has 1 electron in the p orbitalTo remove the electron from aluminums p orbital, it takes less energyHowever, magnesium has a full orbital and will not want to lose an electron as much because it is more stableTherefore; that explains why magnesium has a higher first ionization energy.Other related question
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