We are being asked how many unpaired electrons are present in the atom Gadolinium (Gd). Let’s take a look at the electron configuration given for Gd.
To find the number of unpaired electrons, fill up the 4f, 3d, and 6s subshells of Gd. All of the electrons in lower energy orbitals are paired.
The electron configuration of Gd is [Xe]4f75d16s2. How many unpaired electrons are in this atom?
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