Scene 1

Atom structure. Nucleus Proton (+ ve ) Neutron - uncharge Electron Cloud Electron (– ve ). 

Scene 2

Nucleus Proton (+ ve ) Neutron -  uncharge Electron Cloud Electron (– ve )

Number of Proton = Number of Electron Atom are electrically neutral

electron orbits
electron
proton
neutron
O Encyclopædia Britannica, Inc.

Nitrogen. electron orbits proton neutron O Encyclopædia Britannica, Inc.. 

electron orbits
proton
neutron
O Encyclopædia Britannica, Inc.

5 Valence Electron Need 3 electron to became more stable

Neon. 10 Protons C 10 Neutrons 10 Electrons. 10 Protons 10 Neutrons 10 Electrons. 

8 Valence Electrons Don’t need take or give electron because already stable