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How to work out bond shape? CHEMISTRY AS

So how come BF4- is based off of an tetrahedral but CLF4- is a square planar? and in terms of dipole dipole bonds, how do you know they cancel out to form non dipole moment and when do they add up?
Original post by pcmasterrace1
So how come BF4- is based off of an tetrahedral but CLF4- is a square planar? and in terms of dipole dipole bonds, how do you know they cancel out to form non dipole moment and when do they add up?


This link here may help you.
(edited 7 years ago)
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Pigster
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Original post by pcmasterrace1
So how come BF4- is based off of an tetrahedral but CLF4- is a square planar? and in terms of dipole dipole bonds, how do you know they cancel out to form non dipole moment and when do they add up?


And/or this one:

http://www.kentchemistry.com/links/bonding/lewisdotstruct.htm

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