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| He's given credit for making the first periodic table. |
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| Average mass of all isotopes of that element. |
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| The modern periodic table is aranged in order of increasing the Atomic Number. |
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| A substance that cannot be broken down into any other substances by chemical or physical means |
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| The table is called The Perioic Table because elements occur periodically(on occasion) |
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| A horizontal row of elements in the Periodic Table |
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| The ability of an object to carry an eletric current |
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| Can be pulled out, or drawn, into long wires |
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| Elements in the same veritical column of the periodic table |
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| An element that has some characteristics of both metals and nonmetals |
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| Elements in the same gtroup or column have simular physical and chemical properties. |
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| Shiny and reflective (high luster), hard, Can transfer heat and electrical currents very well, can be pulled/drawn into long wires (ductile), Can be hammered or rolled into flat sheets (malleable) |
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| Dull(luster), Breaks easily (brittle), poor conducters of heat and electrical currents, lower density than metal |
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Metals: High boiling points (ex. Pots and pans)
Nonmetals: Low boiling point |
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