An electronic configuration is a number of electrons in the orbits of molecules and atoms. In Arsenic there are 33 electrons which lie in 4 shells. Distribution of electrons in shells is: 2, 8, 18, 5
The electronic configuration of
As is 1s22s22p63s23p63d104s24p3[Ar]3d104s24p3
Ground state electron configuration for Arsenic is defined as:
There are 5 valence electrons in Arsenic.