Question

What element(s) are more polarizable than oxygen? How can you tell? Wouldn't fluorine be most polarizable, because it is the most electronegative?

Answer 1

http://chemwiki.ucdavis.edu/Physical_Chemistry/Quantum_Mechanics/Atomic_Theory/Intermolecular_Forces/Polarizability

Answer 2

Polarizability increases down the periodic table in a family. It also increases from right to left. Fluorine is out of the picture, compared to oxygen.

Answer 3

Chlorine