Unformatted text preview: appear later on in the periodic table. The 4s electrons are exterior to the 3d and will be removed before those of the 3d orbital. So all we need to do is count six elements into the 3d level in order to know which atom we are dealing with. Count from Sc to the right and you’ll find that Fe is the sixth element in the group of 3d atoms. Since both of its 4s electrons have been removed, the Fe ion must have a +2 charge. 3d 4s...
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This document was uploaded on 11/04/2011 for the course CHEM 106 at BYU.
- Fall '08