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