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This help page is a . The markup language called wikitext, also known as wiki markup or wikicode, consists of the syntax and keywords used by the MediaWiki software to format a page. (Note the lowercase spelling of these terms. [a]) To learn how to see this hypertext markup, and to save an edit, see Help:Editing.
The Intensity 7 ( 震度7, Shindo 7) is the maximum intensity in the Japan Meteorological Agency seismic intensity scale, covering earthquakes with an instrumental intensity (計測震度) of 6.5 and up. [ 15] At Intensity 7, it becomes impossible to move at will. [ 13] The intensity was created following the 1948 Fukui earthquake.
Chromium is the 21st [38] most abundant element in Earth's crust with an average concentration of 100 ppm. It is also the seventh most abundant element on earth. [39] Chromium compounds are found in the environment from the erosion of chromium-containing rocks, and can be redistributed by volcanic eruptions.
List of chemical elements. 118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z ). [1]
Othello, a modern variation of Reversi. A semi-transparent hand indicates a possible move by the player with the black pieces. Reversi is a strategy board game for two players, played on an 8×8 uncheckered board. It was invented in 1883. Othello, a variant with a fixed initial setup of the board, was patented in 1971.
P. J. Stewart In Foundations of Chemistry, 2017 There is an approximate correspondence between this nomenclature of blocks, based on electronic configuration, and sets of elements based on chemical properties. The s-block and p-block together are usually considered main-group elements, the d-block corresponds to the transition metals, and the f-block corresponds to the inner transition metals ...
December 8, 1972. The Breakers is a Gilded Age mansion located at 44 Ochre Point Avenue, Newport, Rhode Island, US. It was built between 1893 and 1895 as a summer residence for Cornelius Vanderbilt II, a member of the wealthy Vanderbilt family . The 70-room mansion, with a gross area of 138,300 square feet (12,850 m 2) and 62,482 square feet ...
[2] [3] [4] Lutetium (element 71) is also sometimes considered a lanthanide, despite being a d-block element and a transition metal. The informal chemical symbol Ln is used in general discussions of lanthanide chemistry to refer to any lanthanide. [5] All but one of the lanthanides are f-block elements, corresponding to the filling of the 4f ...