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9 March, 16:20

Which element will have the lower ionization energy? Be. Ba

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  1. 9 March, 17:56
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    Boron would have the lower first ionization energy.

    Be: 1s2 2s2

    B: 1s2 2s2 2p1 - > electron from the p orbital is easier to eject than than electron from the s orbital.
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