How to create a planetary model for elements of an atom?

Question

how can i write a planetary model of a flourine atom? or any other aoms?

Answer 1

First draw the nucleus and put the symbol of Fluorine (F), the nucleus charge ( +9) and the number of neutrons inside it. Then draw the electron levels. In the first electron level K, draw 2 electrons. On the second electron level L, draw 7 electrons.  There you go.

Answer 2

Just draw a nucleus of the atom and around it electrons orbiting that nucleus.  

For Florine (F)

The lowest shel has 2electrons

The outter has  7

with nucleus containing 9 protons and 10 neutrons