For each, give the total number of electrons, the number of valence electrons, and the number of the energy level that holds the valence electrons.
Br-35 electrons--7 valence--4th level
Kr-36 electrons--8 valence--4th level
As-33 electrons--5 valence--4th level
I-53 electrons--7 valence--5th level
chemistry - DrBob222, Sunday, February 5, 2012 at 2:16pm
These look ok to me.