What is differentiating electron?
1 Answer
Oct 28, 2017
The differentiating electron is the last electron that is added when you are building up the electron configuration of an atom.
It is the electron that differentiates the atom from the one just before it in the Periodic Table.
For example, the electron configuration of gallium is
The element just before gallium in the Periodic Table is zinc.
Its electron configuration is
Thus, the differentiating electron in gallium is the