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The top documents tagged [atomic weight number]
Chemical Fundamentals Review Living things are composed of matter. Matter has mass, occupies space. Atoms composed of: – Small nucleus Proton (positive
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Chapter 2: The Chemistry of Life itl/2045_s00/matter/FG01_011.GIF
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The Chemistry of Life itl/2045_s00/matter/FG01_011.GIF
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The Periodic Table REVIEW CONCEPTS Demetri Mendeleev By 1860 about 60 elements were known and a method was needed for organization. In 1869, Russian
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