Silicon - Wikipedia
Silicon is a chemical element; it has symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor . It is a member of group 14 in the periodic table: carbon is above it; and germanium , tin , lead , and flerovium are below it.
Silicon | Element, Atom, Properties, Uses, & Facts | Britannica
Sep 17, 2024 · silicon (Si), a nonmetallic chemical element in the carbon family (Group 14 [IVa] of the periodic table). Silicon makes up 27.7 percent of Earth’s crust; it is the second most abundant element in the crust, being surpassed only by oxygen.
Silicon - Element information, properties and uses | Periodic Table
Element Silicon (Si), Group 14, Atomic Number 14, p-block, Mass 28.085. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
The Scintillating Element Silicon - ChemTalk
Silicon, atomic symbol Si, has an atomic number of 14, below carbon and to the right of aluminum. This element is in the metalloid family and has four valence electrons. Hence, it is not a very reactive element. Silicon has an electronegativity of 1.9 (Pauling scale). Silicon’s typical electron configuration is 1s 2 2s 2 2p 6 3s 2 3p 2 .
Silicon (Si) - Periodic Table
Silicon is the 14th element in the periodic table and has a symbol of Si and atomic number of 14. It has an atomic weight of 28.085 and a mass number of 28. Silicon has fourteen protons and fourteen neutrons in its nucleus, and fourteen electrons in three shells.
An Atomic Description of Silicon: The Silicon Molecule
Jan 8, 2020 · An Atomic Description of Silicon. The four electrons that orbit the nucleus in the outermost or "valence" energy level are given to, accepted from or shared with other atoms. The electrons orbit the nucleus at different distances and this is determined by their energy level.
Silicon Facts - Science Notes and Projects
May 28, 2015 · These silicon facts contain chemical and physical data along with general information and history. Silicon Periodic Table Cell. Basic Silicon Facts. Name: Silicon. Atomic Number: 14. Element Symbol: Si. Group: 14. Period: 3. Block: p.
Silicon – expert written, user friendly element information
Si. 28.09. The chemical element silicon is classed as a metalloid. It was discovered in 1824 by Jacob Berzelius. Data Zone. Show more, including: Heats, Energies, Oxidation, Reactions, Compounds, Radii, Conductivities. Pure Silicon. Photo by Enricoros. Silicon crystal structure. Discovery of Silicon. Dr. Doug Stewart.
Periodic Table of Elements: Los Alamos National Laboratory
Crystalline silicon has a metallic luster and grayish color. Silicon is a relatively inert element, but it is attacked by halogens and dilute alkali. Most acids, except hydrofluoric, do not affect it. Elemental silicon transmits more than 95% of all wavelengths of infrared, from 1.3 to 6.y micro-m.
Silicon - Simple English Wikipedia, the free encyclopedia
Appearance. From Simple English Wikipedia, the free encyclopedia. "Si" redirects here. For other uses, see Si (disambiguation). Small grains of silicon because it has been crushed. This is not the silicon used in computers. A thin cut of a large crystal of silicon that is very smooth.