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Who Organized elements into four groups based on propertie
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Asample of the male sex hormone testosterone, c19h28o2, contains 3.88Γ10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
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What type of reaction is zn + cucl2 β cu + zncl2?
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The rules of engagement (roe) working group is often used to (select all that apply.)
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Who Organized elements into four groups based on propertie...
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