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13 August, 12:51

What is the predicted order of first ionization energies from highest to lowest for beryllium, calcium, magnesium, and strontium? Be > Ca > Mg > Sr Be > Mg > Ca > Sr Ca > Sr > Be > Mg Sr > Ca > Mg > Be

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  1. 13 August, 12:59
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    The predicted order of first ionization energies is Be > Mg > Ca > Sr.

    Ionization energies increase from bottom to top of a Group in the Periodic Table.

    Thus, in Group 2, Be has the highest ionization energy, and it decreases as you go down the Group to Sr, Ba, and Ra.

    The order of first ionization energies is therefore Be > Mg > Ca > Sr.
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