One evening last summer, as I strolled along the promenade in Limbe, a small, scenic port town in southwestern Cameroon, I was stopped by a well-dressed young man who greeted me warmly and took me by the hand.
Phosphorus has 3 shells. The outer shell contains 5 electrons. The electronic configuration is :- <br /> 1s2, 2s2, 2p6, 3s2, 3p3.
1 Phosphorus is the sixth most common element in the human body. 2  Phosphorus is the seventh most common element in the Earth's crust. 3  Phosphorus is the eighteenth most common element in seawater. 4  An early form of matches used white phosphorus in the match head.