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The periodic table is an arrangement of the chemical elements, which are organized on the basis of their atomic numbers, electron configurations and recurring chemical properties.

Elements as Building Blocks The periodic table is organized like a big grid. Each element is placed in a specific location because of its atomic structure. As with any grid, the periodic table has rows (left to right) and columns (up and down).

The latest release of the Periodic Table (dated 1 Dec 2018) includes the most recent updates released in June 2018 by the IUPAC Commission on Isotopic Abundances and Atomic Weights () (see related News,released 5 June 2018), and specifically for argon, the assignment of an interval for the new standard atomic weight which reflects the common occurrence of variations in the atomic weights of ...

The periodic table of the chemical elements is a list of known chemical elements. In the table, the elements are placed in the order of their atomic numbers starting with the lowest number of one, hydrogen.

Choose from a large collection of printable periodic table PDF files. Included are color periodic tables, black and white tables, blank tables, and a wide selection of specialty tables.

The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.

How To Read the Periodic Table of the Elements. Click on an element symbol to get detailed facts about each chemical element. The element symbol is a one- or two-letter abbreviation for an element's name.

Periodic table of the elements: Periodic table of the elements, the organized array of all the chemical elements in order of increasing atomic number. When the elements are thus arranged, there is a recurring pattern called the ‘periodic law’ in their properties, in which elements in the same column (group) have similar properties.

The elements can be placed in the periodic table. The position of an element provides information about its properties. Most elements are metals, with different properties to those of non-metals.

Chemical elements alphabetically listed The elements of the periodic table sorted by name in an alphabetical list.. Click on any element's name for further chemical properties, environmental data or health effects.