Homework Help: chemestry

Posted by celina on Tuesday, March 22, 2011 at 9:07pm.

write a chemical equation for an atom losing a third electron. would the ionization energy for this reaction be larger or smaller that the ionization energy for the lloss of the first or second electron? explain

chemistry - drwls, Tuesday, March 22, 2011 at 9:18pm
Ca++ -> Ca+++ + e-

The ionization energy would be higher than it would be for the second electron, because there are fewer other electrons around to shield the nucleus.
chemestry - celina, Tuesday, March 22, 2011 at 9:27pm
what do the plus signs mean?
chemestry - DrBob222, Tuesday, March 22, 2011 at 10:27pm
Ca++ means Ca⁺² or calcium ion with a +2 charge. Ca+++ means Ca⁺³.

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