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Question

(C) Group $13$ elements (boron family) typically exhibit a valency of $+3$. Group $16$ elements (oxygen family) typically exhibit a valency of $-2$. T

Vedclass · Accepted Answer

$A_2B_3$

Vedclass · Answer

(C) Group $13$ elements (boron family) typically exhibit a valency of $+3$. Group $16$ elements (oxygen family) typically exhibit a valency of $-2$. To form a neutral compound,the charges must be balanced. Using the criss-cross method: $A^{+3}$ and $B^{-2}$ By swapping the charges,we get $A_2B_3$. Therefore,the general formula is $A_2B_3$.

The general formula of the compounds formed when group $13$ elements $(A)$ react with group $16$ elements $(B)$ is

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