How Many Electrons Are In The Outermost Shell Of An Atom Of Phosphorus P Use The Periodic Table?

How Many Electrons Are In The Outermost Shell Of An Atom Of Phosphorus P Use The Periodic Table? How many electrons are in the outermost shell of an atom of phosphorus P use the periodic table? So… for the element of PHOSPHORUS, you already know that the atomic number tells you the number of electrons.