| A | B |
|---|
| The first to measure atoms | Dalton |
| This guy created the Plum Pudding model of an atom | Thompson |
| This guy discovered electrons | Thompson |
| This guy made the Cathode Ray Tube | Thompson |
| This guy discovered protons | Rutherford |
| This guy performed the Gold Foil Experiment | Rutherford |
| This guy created the planetary model of an atom | Bohr |
| This guy discovered neutrons | Chadwick |
| electron | negatively charged sub-atomic particle |
| neutron | sub-atomic particles with no charge |
| proton | positively charges sub-atomic particle |
| Electron cloud Model | Shows electrons are not on a fixed orbit but move in a general area |
