Atoms A, B, C and D are present at corners, face centres, body centres and edge centres and respectively in a cubic unit cell. Find the formula of compound.

Atoms A, B, C and D are present at corners, face centres, body centres

1.	Atoms A, B, C and D are present at corners, face centres, body centres and edge centres and respectively in a cubic unit cell. Find the formula of compound.
Answer» Contribution by atoms A = `8xx1//8=1` Contribution by atoms B = `6xx1//2=3` Contribution by atoms C = `1xx1=1` Contribution by atoms D = `12xx1//4=3` `A:B:C:D=1:3:1:3` Formula of compound = `AB_(3)CD_(3)`.

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Atoms A, B, C and D are present at corners, face centres, body centres and edge centres and respectively in a cubic unit cell. Find the formula of compound.

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