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Chemistry, 21.06.2019 22:30
Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.
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Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
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How many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride
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Chemistry, 23.06.2019 14:00
How many moles of oxygens atoms are present in 5.00 mol of diphosphorus of fe2(so4)3
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