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  • Considering the elements B, C, N, F, and Si, the correct order of their non-metallic character is :

3.39   Considering the elements B, C, N, F, and Si, the correct order of their non-metallic character is :

        (a) B > C > Si > N > F

        (b) Si > C > B > N > F

        (c) F > N > C > B > Si

          (d) F > N > C > Si > B

Answers (1)

best_answer

Answer -  (c) F > N > C > B > Si

Because non-metallic character of an elements increases from left to right across the period. And here given position of elements:

Boron (B)  -  2^{nd} period and 13^{th} group.

Carbon (C)  -  2^{nd} period and 14^{th} group.

Nitrogen (N)  -  2^{nd} period and 15^{th} group.

Fluorine (F)  -  2^{nd} period and 17^{th} group.

And the Silicon (Si) is present in the 3^{rd} period and  14^{th} group.

Hence the correct order of non-metallic character is as follows:

F > N > C > B > Si

Posted by

Divya Prakash Singh

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