Respuesta :

arifhussain
farmula of electronic configuration is 2(n) n=atomic number . then put into shells. 
CrystalQueen
Electron configuration- 
   [tex]1 s^{2}  2 s^{2}  2 p^{6}  3 s^{2}  3 p^{6}  4s^{2}  3d^{10}  4p^{1} [/tex]

Shorthand notation-
  [Ar] [tex]4s^{2}  3 d^{10}  4p^{1} [/tex]

And I can't really show it the orbital filling diagram, but it would look exactly like your last problem except the 4p orbital would have one "half" arrow on the first line pointing upwards 

Hope this helps!

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