2.1.1 The Changing Atom

2.1.1 The Changing Atom

1. Bohr Model

   • electrons could follow on path
   • shells were developed

2. Greek Atom

   • particles that couldn't be split any further

3. Daltons Atomic Theory

   • plum pudding model
   • particles had a small negative charge

4. Gold Leaf

   • shooted particles at a gold sheet
   • shows that there is a nucleus

5. Modern Day

   • protons and neutrons are made from quarks

6. Proton Discovery

   • x-ray frequencies

7. Neutron Discovery

   • a particle that had no change and same mass of a proton