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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 19:30
What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm
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Chemistry, 22.06.2019 19:30
Describe the forces both attractive and repulsive that occur as two atoms move closer together.
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Chemistry, 22.06.2019 19:30
Helium decays to form lithium. which equation correctly describes this decay?
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