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30-03-2016
Physics

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Calcium has an atomic number of 20. How many electrons does calcium lose when forming an ionic bond with another ion?

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08-04-2016

Calcium loses two electrons when forming an ionic bond with another ion. This is because calcium belongs to Group II of the Periodic Table of Elements. This means that it has two electrons in its outer shell. When forming an ionic bond with another element, Calcium can give up this two electrons.

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