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Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.
English: This pictorial periodic table is colorful, boring, and packed with information. In addition to the element's name, symbol, and atomic number, each element box has a drawing of one of the element's main human uses or natural occurrences. The table is color-coded to show the chemical groupings.
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The periodic table of electron configurations shows the arrangement of electrons in atoms, organized by increasing atomic number and chemical properties.
Download as PDF; Printable version; In other projects ... This periodic table is the prime form presented at this English wikipedia. See Periodic table#Overview.
A period 2 element is one of the chemical elements in the second row (or period) of the periodic table of the chemical elements.The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases; a new row is started when chemical behavior begins to repeat, creating columns of elements with similar properties.
Page information; Get shortened URL; Download QR code; Print/export Download as PDF; Printable version; ... Bare template pages (see also Periodic_table_ ...
Henry D. Hubbard in front of his 1924 periodic table wallpaper. Henry D. Hubbard (1870-1943) was a member of the U.S. Bureau of Standards in the 1920s.. He modernized Mendeleev's periodic table and in 1924 he produced a version of the Periodic Table of Elements (called the Periodic Chart of the Atoms) which was distributed to schools and universities. [1]