Respuesta :

N means nitrogen

Lets look at the EC

[tex]\\ \sf\bull\longmapsto 1s^22s^22p^3[/tex]

  • -3 means it has got 3 electrons

[tex]\\ \sf\bull\longmapsto 1s^22s^22p^6[/tex]

[tex]\\ \sf\bull\longmapsto [Ne][/tex]