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Question
Considering the elements B, C, N, F, and Si, the correct order of their non-metallic character is:
Options
B > C > Si > N > F
Si > C > B > N > F
F > N > C > B > Si
F > N > C > Si > B
Solution
F > N > C > B > Si
Explanation:
The non-metallic character of elements increases from left to right across a period. Thus, the decreasing order of non-metallic character is F > N > C > B.
Again, the non-metallic character of elements decreases down a group. Thus, the decreasing order of non-metallic characters of C and Si are C > Si. However, Si is less non-metallic than B i.e., B > Si.
Hence, the correct order of their non-metallic characters is F > N > C > B > Si.
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