Name  Lewis Structure Kernel electrons  Valence electrons
Sodium  Na.   1s2 2s2 2p6  3s1
 Phosphorus  phosphorus Lewis dot structure  1s2 2s2 2p6  3s2 3p3
 Bromine  bromine Lewis dot structure

 1s2 2s2 2p6 3s2 3p6 3d10

(≠ [Ar] = 1s2 2s2 2p6 3s2 3p6 )

4s24p5 

 

 

 

© R A Paselk

Last modified 28 March 2011