Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In chrysoberyl, a compound containing beryllium, aluminium and oxygen, oxide ions form cubic close packed structure. Aluminium ions occupy 
th of tetrahedral voids and Beryllium occupy 
th of octahedral voids. The formula of the compound is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: Be : Al: 
No. of oxide ions
involved in 
) 
(Octahedral voids 
,
Tetrahedral voids 
)
Thus, formula is 
.
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