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Ascientist who deals with the properties, composition, and reactions of substances
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About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
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Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg
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Chemistry, 23.06.2019 01:00
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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Ascientist who deals with the properties, composition, and reactions of substances...
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