Question
Pease help me fill out the answers. Scientists: Democritus, Robert Boyle, Joseph Priestley, Antoine Lavoisier, Joseph Proust, John Dalton, Humphry Davy, Amadeo Avagadro, Dmitirii Medeleev,
Pease help me fill out the answers.
Scientists: Democritus, Robert Boyle, Joseph Priestley, Antoine Lavoisier, Joseph Proust, John Dalton, Humphry Davy, Amadeo Avagadro, Dmitirii Medeleev, Henri Becquerel, JJ Thomson, Max Planick, Frederick Snoddy, Ernest Rutherford, Marie Curie-Sklodowska, Albert Einstein, Robert Millikan, Neils Bohr, Hentry Moseley, Louis deBrogilie, Werner Heisenberg, Erwin Schrodiner, James Chadwick
Atomic Theory Development of Atomic Theory
1. This scientist taught physics at the University of Chicago and helped determine the charge of an electron. |
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2. This scientist wrote his theory in a book entitled A New System of Chemical Philosophy. He was also interested in colorblindness, a condition he himself suffered with. In addition, he published a book on his meteorological observations. |
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3. This French lawyer turned scientist proposed the Law of Conservation of Mass. His wife translated his work into English. He was executed by guillotine during the French Revolution. First to show water is a compound. |
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4. He was knighted in 1908 for his contributions to atomic theory and is credited with discovering the electron. |
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5. He first proposed the idea that energy is quantized in packets and the amount of energy is directly proportional to the frequency of the radiation. |
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6. This scientist was from New Zealand but did his work in Manchester, England. His students included Chadwick and Bohr. He first proposed the nuclear model and stated the atom was mostly empty space. |
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7. This researcher discovered two new elements and was awarded two Nobel Prizes, one in Chemistry and one in Physics. The cause of her death was leukemia due to over-exposure to radioactivity. |
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8. Originally from Denmark, the scientist worked with J. J. Thomson and Ernest Rutherford to explain the behavior of electrons within the atom, stating that electrons were in distinct energy levels. |
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9. This theoretical French physicist proposed that matter behaves as a particle at large scales but as a wave at atomic levels. |
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10. Another theoretical physicist proposed that it was not possible to know both the position and momentum of an electron at the same time with certainty. |
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11. This promising young scientist used x-ray diffraction to determine the atomic number (Z) or positive charge of the elements on the periodic table. He was killed in action during World War I at age 27. |
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12. This very rich scientist came from Ireland and designed equipment to experiment with gases. He was known as an atomist and was friends with Isaac Newton. |
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13. This minister isolated a gas he called dephlogisticated air using a pneumatic trough. He tested this gas using mice, candles, plants, and mercuric oxide in his experiments. Lavoisier later renamed the gas oxygen. |
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14. This famous scientist explained the photoelectric effect and formulated the mass/energy relationship, E=mc2. |
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15. This researcher provided experimental evidence for the existence of the neutron. |
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16. He derived mathematical wave functions to describe the probability of finding an electron in specific regions of an atom. |
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17. French physicist who discovered natural radioactivity. |
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18. Identified many of the alkali and alkaline earth metals such as sodium and potassium, using electrolysis. |
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19. He proposed that matter was made of indivisible particles existed in a vacuum. He theorized that atoms were linked together to form different substances. |
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20. Italian professor of natural philosophy who stated that all gases under the same conditions of temperature and pressure will contain equal numbers of particles. |
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21. Russian chemistry professor who first organized the known elements into the first rudimentary periodic table. |
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