7th edition 2D.3

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Alyssa Bryan 3F
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7th edition 2D.3

Postby Alyssa Bryan 3F » Sun Nov 11, 2018 6:08 pm

Which of these compounds has bonds that are primarily ionic? (a) BBr3; (b) BaBr2; (c) BeBr2
Why is BeBr2 not considered to have primarily ionic bonds as the compound is between a metal and nonmetal, meaning it has ionic bonds?

Hovik Mike Mkryan 2I
Posts: 95
Joined: Fri Sep 28, 2018 12:25 am

Re: 7th edition 2D.3

Postby Hovik Mike Mkryan 2I » Sun Nov 11, 2018 6:31 pm

I also got confused on this question, but I believe the question is asking which is the most ionic from all three. Hope this helps!

juliefilice 4A
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Re: 7th edition 2D.3

Postby juliefilice 4A » Sun Nov 11, 2018 7:25 pm

Professor Lavelle said that for a bond to be considered ionic, the difference in electronegativites of the 2 atoms should be at least 2. This isn't the case for BeBr2, so it's not ionic.

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