My Sentence

                                      I am a super genius  
  
  I: Iodine
 Am: Americium
 As: Arsenic
 U: Uranium
 P: Phosphorous
 Er: Erbium
 Ge: Germanium 
 Ni: Nickel
 U: Uranium
 S: Sulphur       
                               I/am/as/u/p/er/ge/ni/u/s

                                                 Doing atoms

                               ISOTOPES OF HYDROGEN

Proton: Elementary particle of the nucleus of the atom and that has positive electric charge
Neutron: Elementary particle of the nucleus of the atom that has no electric charge
Electron: Particle that is around the nucleus of the atom and that has negative electric charge