Arrange the following elements in the order of their increasing non-metallic character

Q. Arrange the following elements in the order of their increasing non-metallic character.

Li, O, C, Be, F

A.            F < O < C < Be < Li

B.            Li < Be < C < O < F

C.            F < O < C < Be < Li

D.            F < O < Be < C < Li

Answer: Li < Be < C < O < F

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