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Chemistry People
Question | Answer |
---|---|
Credited with being the first to say that the atom was the fundamental particle of matter. | Democritus |
Credited with being the first to prove that the atom was the fundamental particle of matter using the scientific method. | John Dalton |
Used the gold foil experiment to prove that the nucleus of an atom was small, dense and positively charged. | Rutherford, Marsden and Geiger |
Discovered the electron using the cathode ray tube. | J.J. Thompson |
Discovered the proton. | Eugene Goldstien, Ernest Rutherford, or Wilhelm Wein |
Discovered the nuetron. | James Chadwick |
Determined the charge and mass of the electron using the oil drop experiment. | Robert Milikan |
Discovered that uranium will expose a photographic plate (X-ray). | Henri Becquerel |
Discovered radium and polonium. | Marie and Pierre Curie |
Related mass and energy in the equation E=mc2. | Albert Einstein |
Credited with discovering the Law of Conservation of Mass. | Antoine Lavoisier (1782) |
Credited with discovering the Law of Definite Proportions. | Joseph Proust (1799) |
Air, fire, water and earth. He was believed more than Democritus. | Aristotle |