1.

Element 'A' and 'B' form a compound with cubic structure in which 'A' atoms are at the corners of the cube and 'B' atoms at the face centres. What is the formula of the compound ?

Answer»

Solution :Number of A type ATOMS in the UNIT cell, `8 xx 1/8 =1`
Number of B type atoms in the unit cell, `6 xx 1/2 =3`
Hence the formula is `AB_3`


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