Central Atom

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005388369
Posts: 73
Joined: Sat Sep 28, 2019 12:16 am

Central Atom

Postby 005388369 » Sun Nov 03, 2019 12:17 pm

How are we supposed to know which atom will be the central atom when drawing a lewis structure?

Siya Shah 1J
Posts: 50
Joined: Sat Aug 17, 2019 12:15 am

Re: Central Atom

Postby Siya Shah 1J » Sun Nov 03, 2019 12:23 pm

The central atom tends to be the least electronegative and the one with the most unpaired valence electrons.

Shimei_2F
Posts: 85
Joined: Fri Aug 09, 2019 12:17 am

Re: Central Atom

Postby Shimei_2F » Sun Nov 03, 2019 1:23 pm

The central atom is usually the least electronegative atom with the most unpaired valence electrons. If carbon is present, often times, the central atom is carbon. However, hydrogen can never be a central atom.

Ashley Kumar 3F
Posts: 50
Joined: Sat Sep 07, 2019 12:18 am

Re: Central Atom

Postby Ashley Kumar 3F » Sun Nov 03, 2019 1:57 pm

Most often it is the atom with the least electro negativity and has the most valence electrons. :)


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