Put forward a theory for the atom based on the element hydrogen
The spectrum gained when light is emitted through electron movement down levels
William Crookes used this to help to discover cathode rays
Thomson used this device to determine that cathode rays have a - charge
A image taken in the same region of light as the Paschen series
This experiment helped to discover the mass to charge of an electron
George Stoney gave this a name.....
The spectrum gained when light is absorbed
