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| 1. |
Write the coordination number of each ion in the following crystals : (i)NaCl (ii)CsCl (iii)ZnS (iv)Na_2O |
| Answer» Solution :(i)`Na^+`=6,`Cl^-`=6 , (II)`Cs^+`=8, `Cl^-`=8 , (III)`ZN^(2+)`=4 , `S^(2-)` =4 , (iv)`CA^(2+)`=8 , `F^-` =4 , (v)`Na^+` =4 , `O^(2-)`= 8 | |