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Discoveries in Chem
Mathcing names to their accomplishments
Question | Answer |
---|---|
Ruterford | Introduced concept of nuclear atom Disproved Thomson model Determined that the mass and positive charge of the atom are in the nucleus |
Thomson | Discovered the mass to charge ratio of the electron Model said there was a cloud of positive charge |
Roentgen | Discovered X-rays |
Millikan | Discovered the charge on an electron oil drop experiment |
Goldstein | Discovered the Proton |
Chadwick | Discovered Neutrons |
Dalton's Atomic Theory | Compounds are made up of elements Ratio of atoms in a compound are small numbers Elements are composed of small particles Atoms of the same element are identical Reactions rearrange atoms, no creation or destruction |
Crooke's | Discovered Cathode rays |