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The periodic table is a tabular display of the chemical elements organised on the basis of their properties. Elements are presented in increasing atomic number. The main body of the table is a 18 × 7 grid with gaps included in to keep elements with similar properties together such as the halogens and the noble gases. These gaps form four distinct rectangular areas or blocks. The f-block is not included in the main table but rather is usually floated below as an inline f-block would make the table impractically wide. The periodic table accurately predicts the properties of various elements and the relations between properties. As a result it provides a useful framework for analyzing chemical behavior and is widely used in chemistry and other sciences.
The periodic table is a tabular display of the chemical elements organised on the basis of their properties. Elements are presented in increasing atomic number. The main body of the table is a 18 × 7 grid with gaps included in to keep elements with similar properties together such as the halogens and the noble gases. These gaps form four distinct rectangular areas or blocks. The f-block is not included in the main table but rather is usually floated below as an inline f-block would make the table impractically wide. The periodic table accurately predicts the properties of various elements and the relations between properties. As a result it provides a useful framework for analyzing chemical behavior and is widely used in chemistry and other sciences.
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