Questions
How many unpaired electrons are present in a ground state gaseous ion?
detailed solution
Correct option is B
The atomic number of Ni is 28. Its electronic configuration is.
Now, the electronic configuration of (losing two-electron ) is
has 8 electrons in its outermost shell, out of which there are six paired electrons and two unpaired electrons.
Therefore, the unpaired electrons present in a ground state gaseous is 2
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