Lone Pairs only on Central Atoms?

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Isabel Nakoud 4D
Posts: 101
Joined: Fri Sep 28, 2018 12:27 am

Lone Pairs only on Central Atoms?

Postby Isabel Nakoud 4D » Mon Dec 03, 2018 8:51 pm

Lone pairs on outer atoms (bonded atoms) don't make the molecule a Lewis base, correct?

For example, BF3 is a Lewis acid because Boron doesn't have any Lone Pairs.... the lone pairs on the bonded F atoms don't change that?

Atul Saha 3D
Posts: 30
Joined: Fri Sep 28, 2018 12:25 am

Re: Lone Pairs only on Central Atoms?

Postby Atul Saha 3D » Mon Dec 03, 2018 10:25 pm

BF3 is a Lewis acid; it can accept an electron pair because Boron has an incomplete octet.

Kevin ODonnell 2B
Posts: 62
Joined: Fri Sep 28, 2018 12:24 am

Re: Lone Pairs only on Central Atoms?

Postby Kevin ODonnell 2B » Mon Dec 03, 2018 10:37 pm

A Lewis acid is an electron -pair acceptor as shown in the diagram
Attachments
lewisacid.png


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