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 lustre, 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. It is relatively unreactive.

2025年1月18日 · Silicon, a nonmetallic chemical element in the carbon family that makes up 27.7 percent of Earth’s crust; it is the second most abundant element in the crust, being surpassed only by oxygen. Learn more about the characteristics, distribution, and uses of silicon in this article.

Element Silicon (Si), Group 14, Atomic Number 14, p-block, Mass 28.085. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Silicon is the seventh most abundant element in the universe and the second most abundant element in the earth's crust. Today, silicon is produced by heating sand (SiO 2) with carbon to temperatures approaching 2200°C. From the Latin. word silex, silicis, flint.

Get the facts about element Silicon (Si) [14] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as well as some historic information.

2024年3月4日 · What is Silicon? Silicon is a chemical element with the symbol Si and an atomic number of 14. It is hard, brittle, and crystalline, with a metallic blue-grey lustre. It is a member of the carbon group in the periodic table. It belongs to Group 14 in the periodic table. It …

Silicon is the second most abundant element in earth’s crust. It was discovered in 1823 by Jöns Jacob Berzelius. Silicon has tremendous uses including manufacturing of ceramic, glass, synthetic polymers and is an essential part of integrated circuits.

2018年7月1日 · Silicon is element number 14 on the periodic table, with the element symbol Si. Here is a collection of facts about this interesting and useful element:

Silicon is a chemical element of the periodic table with chemical symbol Si and atomic number 14 with an atomic weight of 28.084 u and is classed as metalloid and is part of group 14 (carbon group). Silicon is solid at room temperature.

2025年1月21日 · Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, crystalline material that is found abundantly in the Earth’s crust. Silicon is renowned for its semiconductor properties, making it essential in the production of electronic devices.