Question : What numerical scale was introduced in 1932 that determined the electronegativity of fluorine to be 4.0?
Option 1: Allred-Rochow scale
Option 2: Mulliken scale
Option 3: Pauling scale
Option 4: Jae scale
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Correct Answer: Pauling scale
Solution : The correct option is the Pauling scale .
This scale was developed by Linus Pauling. The Pauling electronegativity scale quantifies the ability of an atom to attract electrons in a chemical bond. It's a dimensionless scale. Fluorine is set to 4.0 as it is the most electronegative element, and the reference for cerium is set to 0.7.
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