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Physics Electron
| Question | Answer |
|---|---|
| Atomic model suggested by J J Thomson | Plum pudding model |
| Describe Thomsonâs Plum Pudding model | A positive mass, with the negatively charged electrons embedded in it |
| Who created the Plum Pudding atomic model | J J Thomson |
| When was the existence of the electron discovered | |
| 1897 | |
| How was the electron discovered | By changing the voltage in a particle accelerator and measuring the light bending allowed him to deduce the mass of the particles in the beam; they were 2000 times lighter than the hydrogen atom, which was thought to be the lightest and smallest particle |