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What is electro valency of ion ? Give example . |
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Answer» Solution :Electro valency of ion means NUMBER of unit CHARGE on ion. Example : In NaCl one unit positive charge in `NA^(+) and " in " CaF_(2)` two unit positive charge in `Ca^(2+)` and its elector velency is +2. In `F^(-) ,Cl^(-)` one unit NEGATIVE charge and valency is - 1 . 
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