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Chem. Review #1 (2)
Term | Definition |
---|---|
Rutherford | Discovered positively charged nuclear atom. |
Chadwick | Dicovered the Neutron |
Thomson | Determined the quantity of the electron's charge and the electron itself. |
Goldstein | Discovered the proton. |
Dalton | Came up with the atomic theory |
Rutherford | Performed the gold foil experiment. |
Milikan | Perfomed the oil drop experiment. |
Mendeleev | First period table based on increasing mass. |
Henry Moseley | Determined hte atomic number of all elements. |
Cathode Ray Tube | An apparatus that helped scientists discover that atoms contain electrons. |
Neutrons | Isotops have the same number of protons but different numbers of _________. |
Radioactivity | The spontaneuos production of rays and particles and energy by unstable nuclei. |
Induced Radioactivity | When a parent or target isotope is bombarded causing the emission of radiation and the formation of a daughter isotope. |
Robert Bohr | Scientist that developed the planetary model 0 refining the previous model of the atom to include electrons orbiting the nucleus in energy levels. |