Polarizable vs Polarizing

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Anika Chakrabarti 1A
Posts: 102
Joined: Sat Aug 24, 2019 12:17 am

Polarizable vs Polarizing

Postby Anika Chakrabarti 1A » Sat Nov 02, 2019 2:00 pm

What is the difference between "highly polarizable" and "high polarizing power"? They both result in an ionic bond with a greater covalent character.

Abby Soriano 1J
Posts: 103
Joined: Sat Aug 24, 2019 12:16 am

Re: Polarizable vs Polarizing

Postby Abby Soriano 1J » Sat Nov 02, 2019 2:29 pm

They essentially refer to the same concept of ionic compounds having some covalent character; however, "highly polarizable" applies to anions (its electrons are being pulled by the cations) while "high polarizing power" applies to cations (whose positive charge pulls on the electrons of anions).

Ryan Chang 1C
Posts: 105
Joined: Sat Aug 24, 2019 12:17 am

Re: Polarizable vs Polarizing

Postby Ryan Chang 1C » Sat Nov 02, 2019 3:00 pm

Another way to put it is that polarizing power increases among cations from left to right and bottom to top, while polarizability increases from right to left and top to bottom.

Debora Fernandez Clemente_ 4H
Posts: 52
Joined: Wed Sep 18, 2019 12:21 am

Re: Polarizable vs Polarizing

Postby Debora Fernandez Clemente_ 4H » Sun Nov 03, 2019 1:03 am

I am still unsure of what covalent character means, can anyone explain?

Drake Choi_1I
Posts: 58
Joined: Sat Aug 17, 2019 12:15 am

Re: Polarizable vs Polarizing

Postby Drake Choi_1I » Sun Nov 03, 2019 1:06 am

Covalent character is a measure of how little a bond is polarized.

Shutong Hou_1F
Posts: 117
Joined: Sat Sep 14, 2019 12:17 am

Re: Polarizable vs Polarizing

Postby Shutong Hou_1F » Sun Nov 03, 2019 9:20 am

Since in forming covalent bonds, electrons are shared between neighboring atoms, an increase in covalent character means that even though in forming ionic bonds, electrons from the less electronegative atom are taken by the more electronegative atom, the less electronegative atom would actually attract the electrons to the bonding region to some extent.
Anions with large size and rich in electrons are "highly polarizable," because they have highly distorted electrons. Cations with small size and high charges have "high polarizing power," because they have large distortions.

Kennedi2J
Posts: 101
Joined: Wed Sep 18, 2019 12:20 am

Re: Polarizable vs Polarizing

Postby Kennedi2J » Sun Nov 03, 2019 7:05 pm

What's the difference between ionic character and covalent character?


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