4.72

(Polar molecules, Non-polar molecules, etc.)

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Marcela Udave 1F
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Joined: Fri Sep 28, 2018 12:16 am

4.72

Postby Marcela Udave 1F » Thu Nov 29, 2018 9:49 pm

Why is NO3- nonpolar?

Parth Mungra
Posts: 72
Joined: Fri Sep 28, 2018 12:28 am

Re: 4.72

Postby Parth Mungra » Thu Nov 29, 2018 11:05 pm

If you look at the vectors of each dipole moment created between the N-O interaction, they end up canceling. The vertical aspect of one N-O will cancel the others.

Elle_Mendelson_2K
Posts: 72
Joined: Fri Sep 28, 2018 12:28 am

Re: 4.72

Postby Elle_Mendelson_2K » Thu Nov 29, 2018 11:30 pm

A simpler way to look at it is that the N is surrounded by three of the same atom. Therefore, because they are the same atom with the same electronegativity the dipole moments will cancel. Something to note is that this molecule will cancel because this molecule is not one planar, each angle is 120 degrees.


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