Elements A and B do not form an alloy because | vedclass

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Question

(B) The formation of an alloy requires the atomic radii of the two elements to differ by no more than $15\%$. In this case, the difference in radii is

Vedclass · Accepted Answer

Radius of $A$ is $115 \ pm$ while radius of $B$ is $187 \ pm$

Vedclass · Answer

(B) The formation of an alloy requires the atomic radii of the two elements to differ by no more than $15\%$. In this case, the difference in radii is $(187 - 115) = 72 \ pm$. The percentage difference is $\frac{72}{115} 	imes 100 \approx 62.6\%$. Since this difference is significantly greater than $15\%$, the elements cannot form an alloy. Therefore, option $B$ is the correct reason.

Elements $A$ and $B$ do not form an alloy because....

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