Because the Potassium ion loses an electron, the electrons come a little closer to the nucleus because they are attracted to the protons. This makes the ion smaller in radius
I have the same question too!!!Dang I thought I would get a answer I just guessed
So what am I suppose to answer here?
Answer:
Valence electrons of selenium will be placed in s and p-orbitals.
Explanation:
Hope this helps.
They are two representatives of the sublevels/energy levels.