`MgO` exists in a rock- salt type unit cell .Each `Mg^(+2)` ion will be is contact with be in contact withA. `4 O^(-2)` ionsB. `6 O^(-2)` ionsC. `8 O^(-2)` ionsD. `2 O^(-2)` ions

`MgO` exists in a rock- salt type unit cell .Each `Mg^(+2)` ion will b

1.	`MgO` exists in a rock- salt type unit cell .Each `Mg^(+2)` ion will be is contact with be in contact withA. `4 O^(-2)` ionsB. `6 O^(-2)` ionsC. `8 O^(-2)` ionsD. `2 O^(-2)` ions
Answer» Correct Answer - b `C.N` of cation and anion is six in rock salt structure .

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`MgO` exists in a rock- salt type unit cell .Each `Mg^(+2)` ion will be is contact with be in contact withA. `4 O^(-2)` ionsB. `6 O^(-2)` ionsC. `8 O^(-2)` ionsD. `2 O^(-2)` ions

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