Which of the following atoms should have the greatest polarizability? A) F B) Br C) Po...

Question

Question

Which of the following atoms should have the greatest polarizability?

A) F

B) Br

C) Po

D) Pb

E) He

Answer 1

Answer #1

Among the above given options, Pb (lead) should have the greatest polarizability. Polarizability is the susceptibility of an ion/atom's electron cloud towards distortion by another ion/atom.
Polarizability depends on:

Charge of the atom/ion: Here all the given atoms have the same charge, hence we cannot use this factor to find out the answer.
Size of the atom/ion: The larger the atom/ion, the lower will be the attraction between its outermost electrons and the nucleus and the higher will be the susceptibility of its electron cloud towards distortion. In short, the largest atom will have the highest Polarizability. From the above given options Pb has the largest size and hence it will have the greatest Polarizability.

Answer 2

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