MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryPeriodic PropertiesIonization Enthalpy

Which  of  the  following  is  the  second  most electronegative element?

A.Chlorine
B.Oxygen✓ Correct
C.Sulfur
D.Fluorine
Explanation

Electronegativity is the measure of the tendency of an atom to attract the bonding pair of electrons towards them. Fluorine (3.98) is the most electronegative element in the periodic table. And oxygen (3.44) is the second most electronegative element in the periodic table due to its small size and high effective nuclear charge.

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