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AP EAMCET202315 May 2023Morning ShiftChemistryClassification of Elements and Periodicity in PropertiesActual

Identify the pair of elements with the highest and lowest electronegativity respectively

Options

  1. AK and Rb
  2. BI and F
  3. CF and Fr
  4. DFr and Li

Correct answer

C. F and Fr

Step-by-step solution

Fluorine (F) is the element with highest electronegativity, lying at the extreme right in the second period. Francium (Fr) is the most electropositive or least electronegative element, lying at the bottom left of the periodic table.

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