1.

A compound formed by elements A and B has a cubic structure in which A atoms are at thecorners of the cube and B atoms are at the face centres. The formula of the compound is :

Answer»

`AB_(3)`
`A_(2) B_(3)`
`A_(2) B`
`A_(4)B_(3)`

Solution :The number of A ATOMS in a cube =` 8 xx ( 1)/(8) =1 `
Number of B atoms at faces `= 6 xx ( 1)/( 2) = 3`FORMULA `: AB_(3)`


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