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July 30, 2015

Homework Help: chemistry

Posted by john tucker on Saturday, January 20, 2007 at 1:01pm.

According to the octet rule a calcium atom has a tendecy to.?

Look at Ca on the periodic table. It is in group 2 (or IIA depending upon the system your teacher is using). That tells you that it has two electrons in its outer shell and that means it will lose those two electrons when forming compounds. That leaves its next to outer shell now full with eight electrons. (Note that it is easier to lose two electrons than to gain six).

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