When are you supposed to know?

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Matthew_Vargas_2G
Posts: 18
Joined: Fri Jul 22, 2016 3:00 am

When are you supposed to know?

Postby Matthew_Vargas_2G » Sat Oct 22, 2016 11:51 am

When are you supposed to know when to draw a lewis structure like K+[Cl]- as opposed to one with bonds?

Shirley_Zhang 3O
Posts: 35
Joined: Wed Sep 21, 2016 2:56 pm

Re: When are you supposed to know?

Postby Shirley_Zhang 3O » Sat Oct 22, 2016 1:00 pm

You use brackets "[ ]" for ionic bonds.
You use dashes "___" for covalent bonds.

And you use the difference in electronegativity to determine whether a molecule has ionic or covalent bonds.


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