Organic Lewis structures

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cassidy_herro_1L
Posts: 20
Joined: Fri Sep 25, 2015 3:00 am

Organic Lewis structures

Postby cassidy_herro_1L » Thu Nov 05, 2015 7:12 pm

when there is a pre-made organic lewis structure that doesn't show carbon and hydrogen atoms, how does one know how many carbon atoms are present and how many hydrogen atoms are present?

Annie Qing 2F
Posts: 28
Joined: Fri Sep 25, 2015 3:00 am

Re: Organic Lewis structures

Postby Annie Qing 2F » Thu Nov 05, 2015 8:20 pm

At any end of the line or bend of the structure, we assume there is a carbon atom. We also assume that each carbon atom has four bonds, so hydrogen atoms are assumed to be attached to carbon atoms that don't already have four bonds on it.

For example,
Organic Chemistry 1.png

There are 8 carbon atoms in this molecule and 11 hydrogen atoms.

Let me know if this makes sense?


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