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.

Silicon is a chemical element with symbol Si and atomic number 14. Classified as a metalloid, Silicon is a solid at room temperature.

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.

Its symbol is Si. It is a hard, brittle crystalline solid. It is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic table. Silicon looks like a metal, but cannot do everything that a metal can, like conduct electricity well.

The symbol for silicon is Si with atomic number 14. It has a very high melting and boiling point. At standard conditions silicon also makes a giant covalent structure like other group 14 elements of periodic table do.

2024年3月4日 · Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and it is a member of group 14 in the periodic table. Learn more about silicon in this article along with its properties, applications and other facts related to it

The ground state electronic configuration of neutral silicon is [Ne]. 3s2. 3p2 and the term symbol of silicon is 3P0. Silicon is present in the sun and stars and is a principal component of a class of meteorites known as aerolites.

2019年7月3日 · Silicon is a metalloid element with atomic number 14 and element symbol Si. In pure form, it is a brittle, hard solid with a blue-gray metallic luster. It is best known for its importance as a semiconductor.

silicon, Nonmetallic to semimetallic chemical element, chemical symbol Si, atomic number 14. Second only to oxygen in abundance in Earth’s crust, it never occurs free but is found in almost all rocks and in sand, clay, and soils, combined with oxygen as silica (silicon dioxide, SiO 2) or with oxygen and metals as silicate minerals. It occurs ...