Periodic Table
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Created at 08 / 2014
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Periodic Table
Essentials
what is the periodic table?
the periodic table is a chart of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns. According to their shared physical and chemical properties, the elements can be classified into the major categories of metals, metalloids and nonmetals.
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