A compound formed by elements x y and z has a cubic structure in which x atoms are at the corner of the cube and also at alternate face centres why atoms are present at the body centre and z atoms are present at the alternate at centre then the molecular formula of the compound
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Answer:
The molecular formula for the compound is XY.
Explanation:
Given data
A compound formed by elements X Y and Z has a cubic structure.
The x atoms are at the corner of the cube and also at alternate face centres.
To find:
the molecular formula of the compound
Solution:
It is given that Y atoms are at the corners.
Y atoms will contribute 1/8 atoms.
Now to find number of Y atoms per unit cell.
It is given by
8*1/8
= 1 atom per unit cell
The X atoms are given in the alternate faces.
Therefore they will occupy 1/2 atoms
The number of atoms per unit cell are given by
=2*1/2
=1 atom per unit cell
Hence,
The molecular formula for the compound will be XY
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