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Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
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Chemistry, 22.06.2019 12:30
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
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Chemistry, 23.06.2019 00:00
This statement about matter and its behavior is best classified as a
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Chemistry, 23.06.2019 03:30
How many grams of sodium chloride are in 250ml of a 2.5m naci solution
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Water is often called a "universal solvent," because it can dissolve a large variety of substances....
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