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1. who is the father of atomic theory? 2. who discovered the electron? 3. who expressed particles by wave equations? 4. who researched on radioactivity? 5. who discovered the "open spaces" model? 6. who applied quantum theory to atoms? .-rutherford, -bohr, -thomson, -curie, -dalton, -schrödinger
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Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
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If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?
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Which of the following is a solution a- brewed coffee b-tomato juice c- ranch salad dressing d- muddy water
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