Which one of the following element is most electronegative?
Flourine
Sulphur
Oxygen
Bromine
As we learnt
Variation of electronegativity along group -
Electronegativity generally decreases down a group in the periodic table.
- wherein
e.g. from fluorine to astatine.
Electronegativity decreases as we move down the group and increases as we move from left to right in a period.