Which element has the highest electronegativity on the Pauling scale?

Answer and explanation

Correct answer: C. fluorine

  1. Step 1: Electronegativity increases across a period and decreases down a group; Fluorine (F) has the highest value (3.98). Answer: fluorine. Why not the others: Oxygen is second (3.44); Francium is the least electronegative.

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