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