Periodic table

The periodic table of the chemical elements, also called the Mendeleev periodic table, is a tabular display of the known chemical elements. First created by Dmitri Mendeleev, the elements are arranged by electron configuration so that many chemical properties follow a regular pattern across the table. Each element is listed by its atomic number and chemical symbol. Mendeleev's ordering of the periodic table was one of the greatest developments in modern chemistry. Chemists were able to quantitatively explain the behavior of the elements, and to predict the existence of yet undiscovered ones. There are 116 chemical elements whose discoveries has been confirmed. Ninety four can be found naturally on Earth, and the rest have been produced in laboratories.

Related Topics:
Chemical element - Dmitri Mendeleev - Electron - Chemical properties - Atomic number - Chemical symbol

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The standard table provides the basic information on the elements. There are also other methods for displaying the chemical elements for more details or different perspectives.

Related Topics:
Standard table - Other methods for displaying the chemical elements

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