| A | B |
|---|
| Mendeleev | First real PT-left spaces for missing elements |
| Moseley | PT-arranged in order by atomic # |
| Bohr | Electrons orbit the nucleus |
| Boyle | Press and vol of a gas-inversely related |
| Aristotle | Earth, Water, Air, and Fire |
| Charles | Vol and Temp of a gas-directly related |
| Dalton | Total press=sum of individual pressures |
| Oppenheimer | Atomic Bomb-Manhattan Project |
| Rutherford | Atom has a small dense nucleus-Gold Foil Expt |
| Thomson | Plum pudding model of atom, also discov. electrons |
| Dalton | Atoms of same element are the same, atoms can be re-arranged during reactions, but not created or destroyed |
| Gay-Lussac | Pressure and Temp. of a gas are directly related |
