How to draw a sketch of the atom sodium?

Draw a circle then put p for proton and n for neutron the draw a circle over the circle then you take the how many atomic number and the Atomic Mass and subtract the mass by the number lets use n 14-7=7 then you draw 2 x's that is the maximum the first shells can fit then draw draw 5 shells but the maximum for that is 8 and the maximum for the other one is eight.