chemistry

chemistry

1. atomic structure

   • periodic table
     • transition metals
     • metals and non-metals
     • reactivity series
     • solids liquids and gases
     • divided into groups
   • elements
     • one type of atom ONLY
     • PROTONS
       • sub atomic
       • charge= +1
         • mass= 1amu
     • NEUTRONS
       • charge= 0
         • mass= 1amu
     • ELECTRONS
       • charge= -1
         • mass= 1/1800