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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 19:00
Convert the temperature of dry ice, β77 βc, into degrees fahrenheit and kelvin.
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In a balanced equation, the same number of each kind of atom is shown on each side of the equation....
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