| A | B |
|---|
| include symbol, p, n and orbits | bohr's diagram |
| law of the triads | Dobereiner |
| have same valence electrons | groups |
| used beam to know e place, couldnt know both place and direction | heisenberg |
| indicates the type of orbital | sublevel |
| uses arrows and orbitals | graphic configuration |
| two e- per orbital, different spin | Pauli |
| orbits, ground and excited level | bohr |
| fought for periodic table credit | meyer, mendeleev |
| gives the number of protons | atomic number |
| gives the mass number | protons plus neutrons |
| electrons have wavelike behavior | DeBroglie |
| plum pudding model | thomson |
| reduced e- configuration | uses noble gases to be solved |
