atomic structure chemistry

atomic structure chemistry

1. mass number

   • total number of protons and neutrons

2. isotopes

   • atoms of an element with different number for neutrons

3. relative formula mass

   • found by adding all atomic masses together from the compound

4. name of particle

   • proton
     • neutron
       • electron
         • relative mass
           • 1
             • 1
               • 1/2000