Chemistry, 19.07.2019 11:00 trentdhall56
Medical diagnosis and are common uses of radioactive elements in health care.
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Chemistry, 22.06.2019 01:40
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.
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Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 13:30
What produces wave a)sound b) heats c)transfer of energy d)vibrations
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Medical diagnosis and are common uses of radioactive elements in health care....
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