Asked by quinn

Put the following elements in order of increasing first ionization energy: Ca, O, B, Be


Ca < Be < B < O


Be < B < O < Ca


O < B < Be < Ca


Ca < O < B < Be
Answered by DrBob222
https://www.angelo.edu/faculty/kboudrea/periodic/trends_ionization_energy.htm
Answered by Anonymous
Ca<Be<B<O
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