Molecule BH2 polar or nonpolar

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aphung1E
Posts: 101
Joined: Sat Aug 24, 2019 12:15 am

Molecule BH2 polar or nonpolar

Postby aphung1E » Sun Nov 24, 2019 7:57 pm

I though BH2 would be polar, but apparently it is nonpolar. Can someone explain why BH2 is nonpolar?

Rida Ismail 2E
Posts: 139
Joined: Sat Sep 07, 2019 12:16 am

Re: Molecule BH2 polar or nonpolar

Postby Rida Ismail 2E » Mon Nov 25, 2019 10:08 am

BH2+ would be non polar because it is linear. BH2 itself would have a radical because B has 3 lone e- and H each has 1e-
Which would be a total of 5e-.

BH2- would be bend because it has 6e- so 4e- are bonding and there are 1 lone pair on B.

Angela Patel 2J
Posts: 110
Joined: Sat Aug 24, 2019 12:17 am

Re: Molecule BH2 polar or nonpolar

Postby Angela Patel 2J » Mon Nov 25, 2019 10:13 am

The polar bonds cancel each other out because the molecule has a linear shape. Always take shape into consideration when thinking about whether a molecule is polar or nonpolar!


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