Chemistry, asked by khardikarvedanti, 2 months ago

7.
Elements A and B crystallize in cubic structure where atoms A are at the corners of cube and
B atoms are at the alternate faces. What is the formula of compound?
​

Answers

Answered by veerajagarwal
2

Answer:

Correct option is

A

AB3

A atoms are at the corners of the cube. There are 8 corners and each contributes one eight to the unit cell. Total number of A atoms =8×81=1.

B atoms are at the face centres of the cube. There are 6 face centres and each contributes one half to the unit cell. Total number of B atoms =6×21=3.

The formula of the compound is AB3

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