Arrange the following elements in the order of their increasing nonmetallic 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: (b) Li < Be < C < O < F

The non-metallic character is the tendency of an element to accept electrons and form negative ions or anions. Chlorine and oxygen are the most electronegative elements.

  • Li is on the left of in the 2nd period of the modern periodic table followed by beryllium.
  • Fluorine is right next to Neon.
  • Fluorine shows maximum non-metallic characters followed by Oxygen, Berrylium, carbon and Lithium.

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