February 21, 2017

Homework Help: Chemistry

Posted by Anonymous on Sunday, September 22, 2013 at 3:44pm.

Please Explain!

I don't understand how the answer is B.

Which ionization requires the most energy?
A. Na--> Na superscript + plus one electron
B. Na superscript + -----> Na superscript 2+ plus one electron
C. Mg---> Mg superscript + plus one electron
D. Mg superscript + -----> Mg superscript 2+ plus one electron

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