Write the electron configuration for an atom that has 13 electrons?same for 33?

Question

i really need help im in 11th grade and im faling that class and i dont understand anything please please help!!!!!!

Answer 1

Full notation:

13: 1s^2 2s^2 2p^6 3s^2 3p^1

33: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^3

Noble gas notation:

13: [Ne] 3s^2 3p^1

33: [Ar] 4s^2 3d^10 4p^3

Answer 2

he's right ^