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The top documents tagged [group iva]
Elements and periodic table
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Elements, atoms, ions, and the periodic table. Right now our picture of the atom: protons (+1) and neutrons (()) in nucleus and electrons (-1) in region
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The chemists tools Elements and the periodic table
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LecturePLUS Timberlake1 Chapter 2 Atoms and Elements 2.1 Elements and Symbols 2.2 Periodic Table
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Chemical bonding
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1 Chemical Compounds Chapter 3 Jons J. Berzelius 1779-1848. Accurately determined atomic weights, used in future Periodic Table. Originated modern chemical
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