Q.

The most electronegative element among the following is –

A. Fluorine
B. Sodium
C. Chlorine
D. Oxygen
Answer» A. Fluorine
Explanation: Electronegativity of the elements using the Pooling Scale is as follows: Fluorine: 3.98, Oxygen: 3.44, Chlorine: 3.16, and Sodium: 0.93. Electronegativity increases down the group and decreases down the period.
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