Test 3

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Erica Li 1C
Posts: 31
Joined: Fri Sep 28, 2018 12:17 am

Test 3

Postby Erica Li 1C » Sat Dec 08, 2018 11:49 am

On my third test in this class one of the questions was to order the anions I-, Cl-, S2-, and P3- from least to most polarizable. I was wondering why Cl- is the least polarizable even though it has a -1 charge?

Kelly Hollman
Posts: 33
Joined: Fri Sep 28, 2018 12:27 am

Re: Test 3

Postby Kelly Hollman » Sat Dec 08, 2018 1:28 pm

It is the least polarizable because it is the smallest anion in that problem. Chlorine (even without the charge) is the smallest (remember that atomic radius decreases as you go across the periodic table!).

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