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The symbol represents the north, south, and main branches of the Chicago River, and their confluence at Wolf Point. It was designed by Danish-born architect and civil engineer Alfred J. Råvad (Roewad). [3] Its earliest known appearance was in 1892 for a contest to design the city's flag held by the Chicago Tribune. [4]
[1] [2] [3] Introduced by Gilbert N. Lewis in his 1916 article The Atom and the Molecule, a Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds. [4] Lewis structures extend the concept of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond.
Dot notation may refer to: Newton's notation for differentiation (see also Notation for differentiation) Lewis dot notation also known as Electron dot notation; Dot-decimal notation; Kepatihan notation; Dotted note; DOT language; Dot notation is also used in: Lisp (programming language) Object-oriented programming as syntactic sugar for ...
Retrieved from "https://en.wikipedia.org/w/index.php?title=Lewis_dot_notation&oldid=50265707"
The Chicago "L" (short for "elevated") [4] is the rapid transit system serving the city of Chicago and some of its surrounding suburbs in the U.S. state of Illinois.Operated by the Chicago Transit Authority (CTA), it is the fourth-largest rapid transit system in the United States in terms of total route length, at 102.8 miles (165.4 km) long as of 2014, [1] [note 1] and the third-busiest rapid ...
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Gilbert Newton Lewis ForMemRS [1] (October 23 [2] [3] [4] or October 25, 1875 – March 23, 1946) [1] [5] [6] was an American physical chemist and a dean of the college of chemistry at University of California, Berkeley.
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