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chem vocab :D
| Question | Answer |
|---|---|
| an apparatus that helped scientists discover that atoms contain electrons | cathode ray |
| isotopes of an element have the same number of prontons, but different numbers of... | neutrons |
| the spontaneous production of rays of particles and energy by unstable nuclei | radioactivity |
| when a parent or target isotope is bombarded causing the emission of radiation and the formation of a daughter isotope | induced radiation |
| the scientist that developed the planetary model | rutherford |