Sun April 05, 2015 By: Sindhuja Srivastava

In some chemical reactions, an element or compound loses or gains electron. Why is this so?

Expert Reply
Prachi Sawant
Sun April 05, 2015
In a chemical reaction, an atom of an element looses or gain electron to complete its octet and get noble gas configuration.
For example, There are 6 electrons in the outermost shell of oxygen. It takes two electron to complete its octet.
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