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Structure of a mixed oxide is cubic clos...

Structure of a mixed oxide is cubic closed - packed (ccp) .The cubic unit cell of mixed oxide is composed of oxide ions .One fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are occupied by a monovelent metal B .The formula of the oxide is

A

`ABO_(2)`

B

`A_(2)BO_(2)`

C

`A_(2)B_(3)O_(4)`

D

`AB_(2)O_(2)`

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