A compound M p X q has cubic close packing (ccp) arrangement of X . Its unit cell structure is shown below. The empirical formula of the compound is

Question

A compound M p ​ X q ​ has cubic close packing (ccp) arrangement of X . Its unit cell structure is shown below. The empirical formula of the compound is

TestHub · Accepted Answer

No. of M atoms = 4 1 ​ × 4 + 1 = 1 + 1 = 2 No. of X atoms = 2 1 ​ × 6 + 8 1 ​ × 8 = 3 + 1 = 4 So, formula = M 2 ​ X 4 ​ = M X 2 ​

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