Electronic Configuration

Hydrogen
1s1
Helium
1s2
Lithium
1s22s1
Beryllium
1s22s2
Boron
1s22s22p1
Carbon
1s22s22p2
Nitrogen
1s22s22p3
Oxygen
1s22s22p4
Fluorine
1s22s22p5
Neon
1s22s22p6
Sodium
1s22s22p63s1
Magnesium
1s22s22p63s2
Aluminum
1s22s22p63s23p1
Silicon
1s22s22p63s23p2
Phosphorus
1s22s22p63s23p3
Sulfur
1s22s22p63s23p4
Chlorine
1s22s22p63s23p5
Argon
1s22s22p63s23p6