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Chemistry, 20.07.2019 05:00, gonzalesnik
An unidentified element has four valence electrons. identify this atom.
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Answers: 2
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Chemistry, 23.06.2019 08:00, 91miketaylor
Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.
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An unidentified element has four valence electrons. identify this atom....
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