Eight.
The 3rd energy level is the highest occupied energy level for chlorine with seven electrons.
8 electrons
3
inner-shell electrons
There are two electrons.
Sr has two electrons in the highest occupied energy level
The 3rd energy level is the highest occupied energy level for chlorine with seven electrons.
the period number tells which is the highest energy level occupied by the electrons
8
Third energy level
8 electrons
inner shell electrons : the electrons that are not in the the highest occupied energy level .
3
the period number tells which is the highest energy level occupied by the electrons
inner-shell electrons
the period number tells which is the highest energy level occupied by the electrons
There are two electrons.