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How can you compare 7/10 and 1/2 without using a model?
answered
Jul 2, 2017
Mathematics
middle-school
3
votes
161k
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Which of the following statements is true? The Periodic Table is organized in order of atomic number. Elements in the same period have similar properties. Substances in a mixture lose their unique properties.
answered
Feb 22, 2017
Chemistry
middle-school
4
votes
183k
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