Memory The atom & periodic table Version en ligne Match the pairs! par Nikita Fitzpatrick The spectrum gained when light is absorbed Put forward a theory for the atom based on the element hydrogen 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 The spectrum gained when light is emitted through electron movement down levels William Crookes used this to help to discover cathode rays This experiment helped to discover the mass to charge of an electron George Stoney gave this a name.....
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