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Question

The elements of one period are given below in order from left to right:- Li,Be,B,C,O,F,Ne
Place the elements F,Be and N in order of increasing electro-negativity.

A
Be,N,F
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B
F,N,Be
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C
N,F,Be
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D
F,Be,N
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Solution

The correct option is A Be,N,F
left side coloumns of periodic table have metals while right coloumns have non-metals so in general as we move from left to right, electronegativity of elements increases.
So order is Be,N,F.

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