On the Pauling electronegativity scale, Fluorine is arbitrarily assigned the highest value of . Whic — Periodic Table and Periodicity Chemistry Question
Question
On the Pauling electronegativity scale, Fluorine is arbitrarily assigned the highest value of $4.0$. Which element is assigned an exact value of $2.1$ to serve as a primary reference point for calculating other values?
Answer: B
💡 Solution & Explanation
Pauling originally assigned Hydrogen a reference electronegativity value of $2.1$ (sometimes updated to $2.20$ in modern scales, but $2.1$ is the standard historical reference) to calculate the values of other elements based on bond dissociation energies.
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