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Chemistry, 22.06.2019 20:30
Which of the following is not true about the atomic model of substances?
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If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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Chemistry, 23.06.2019 01:00
What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds
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Does the wavelength of light (R. O.Y. G.B. I.V.) affect a plant’s growth?...
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