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Date/Time Thumbnail Dimensions User Comment; current: 11:57, 18 April 2006: 800 × 860 (1 KB): File Upload Bot (Pumbaa80) * '''Description:''' Electron shell diagram for Lithium, the 3rd element in the periodic table of elements.
Lewis structure of a water molecule. Lewis structures – also called Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDs) – are diagrams that show the bonding between atoms of a molecule, as well as the lone pairs of electrons that may exist in the molecule.
{{Infobox element}}; labels & notes: (Image) GENERAL PROPERTIES Name Symbol Pronunciation (data central) Alternative name(s) Allotropes Appearance <element> IN THE PERIODIC TABLE Periodic table Atomic number Standard atomic weight (data central) Element category (also header bg color) (sets header bg color, over 'series='-color) Group Period ...
* Removed light shadows at the upper right of particles. * Smoothed out electron orbitals into real ellipses. * Made electrons smaller than nuclei. * Changed colors to the more usual blue for electrons, red for protons, and dark gray for neutrons. 07:58, 18 March 2007: 270 × 305 (10 KB) Indolences: edited inkscape svg by hand; file size cut in ...
Lithium (from Ancient Greek λίθος (líthos) 'stone') is a chemical element; it has symbol Li and atomic number 3. It is a soft, silvery-white alkali metal . Under standard conditions , it is the least dense metal and the least dense solid element.
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Here [Ne] refers to the core electrons which are the same as for the element neon (Ne), the last noble gas before phosphorus in the periodic table. The valence electrons (here 3s 2 3p 3) are written explicitly for all atoms. Electron configurations of elements beyond hassium (element 108) have never been measured; predictions are used below.