1. The development of the cathode ray tube led to the discover of what subatomic particle?
2. What model of the atoms proposes that electrons are located in orbitals?
3. What terms refers to the region of an atom where electrons are most likely to be found?
4. What are the results and conclusion for gold foil experiment?
5. Which orbital has the least amount of energy?
6. Compare the energy between 1st and 3rd orbitals.