A cube soild is made up of two elements A and B. Element A forms hcp while atoms of element B occupy two-third of the octahedral voids. What is the formula of the soild?

 

 

 

 
 
 
 
 

Answers (1)
S Sumit

Octahedral voids is equal to the number of atom in hcp solid lattice.

Octahedral voids = A

B = \frac{2}{3}A

\frac{A}{B}= \frac{3}{2}

Therefore, formula of compund is B_{2}A_{3}.

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