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Mendeleev's Periodic law: Physical ,and chemical properties of elements are a periodic function of their atomic masses. Periodic table is a chart of elements prepared in such a way that elements with similar properties occur in the same vertical column. It has seven horizontal rows and eight vertical columns.
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Mendeleev's Periodic Law states that the physical and the chemical properties of the elements are a periodic function of their atomic masses. Mendeleev arranged the elements known at that time in order of increasing atomic masses and this arrangement was called periodic table.
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