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(D) Electronegativity generally increases across a period from left to right and decreases down a group.$Si$ is in period $3$,group $14$.$C$ is in per

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$Si < C < N < O < F$

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(D) Electronegativity generally increases across a period from left to right and decreases down a group.$Si$ is in period $3$,group $14$.$C$ is in period $2$,group $14$.$N, O, F$ are in period $2$,groups $15, 16, 17$ respectively.Comparing $Si$ and $C$: $Si$ is below $C$,so $Si Comparing elements in period $2$: Electronegativity increases as $C Combining these,the order of increasing electronegativity is $Si The correct option is $D$.

Arrange the following elements in increasing order of electronegativity:
$N, O, F, C, Si$
Choose the correct answer from the options given below:

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Arrange the following elements in increasing order of electronegativity:$N, O, F, C, Si$Choose the correct answer from the options given below: