what is modern periodic table
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Law of Modern Periodic Table states that properties of elements are the periodic function of their atomic numbers. ... The vertical columns are known as groups and horizontal columns are known as periods; in the modern periodic table. There are 18 groups and 7 periods in the modern periodic table.
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The modern periodic table is used to organize all the known elements. Elements are arranged in the table by increasing atomic number. In the modern periodic table, each element is represented by its chemical symbol. ... Columns of the periodic table are called groups. Elements in the same group have similar properties.
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