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.
The shell closest to the nucleus, the K shell, has a capacity for two electrons. The next shell, L, has a capacity for eight, and the third shell, M, holds up to 18. The atomic number for nitrogen is seven, which means it has seven protons and seven electrons in the atom. Two electrons are in the innermost K shell. The remaining five electrons go in the nitrogen atom's valence shell. Learn more about Chemistry