Page 1 of 1

The A in the VSEPR Formula

Posted: Tue Nov 13, 2018 3:34 pm
by Tamera Scott 1G
I understand that there is no subscript for A when writing the VSEPR formula in the "AXE" form, but does it have a purpose for being included in the formula?

Re: The A in the VSEPR Formula  [ENDORSED]

Posted: Tue Nov 13, 2018 3:36 pm
by EllerySchlingmann1E
The A in the VSEPR model has an implied subscript 1 because it is the central atom. I think the purpose is to denote that central atom, but you don't need the superscript because it is implied.

Re: The A in the VSEPR Formula

Posted: Tue Nov 13, 2018 5:36 pm
by Ava Kjos 1D
The purpose of A is just to represent the central atom in the particular molecule that you are looking at.

Re: The A in the VSEPR Formula

Posted: Wed Nov 14, 2018 9:26 am
by tierra parker 1J
A represents the central atom and there can only be one central atom so no subscript is needed

Re: The A in the VSEPR Formula

Posted: Wed Nov 14, 2018 3:47 pm
by Fayez Kanj
As mentioned above, A represents the central atom
X represents the number of bonded atoms
E represents the lone pairs attached to the central atom

Hope this helps :)