Chemistry, 27.12.2019 03:31 issagirl05
According to the bohr model of an atom, what happens when an electron moves from the second energy level to the third energy level and then back to the second energy level? energy is absorbed and then stored in the atom. energy is released and then absorbed to form an absorption line. energy is absorbed and then released to form an emission line. energy is released from the atom, and the outer level is weakened.
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
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Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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According to the bohr model of an atom, what happens when an electron moves from the second energy l...
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