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 (sometimes …

Jun 25, 2025 · 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 …

Apr 27, 2018 · Silicon is the seventh-most abundant element in the universe and the second-most abundant element on the planet, after oxygen, according to the Royal Society of Chemistry. …

Silicon is a brittle and hard crystalline solid. It has blue-grey metallic lustre. Silicon, in comparison with neighbouring elements in the periodic table, is unreactive. The symbol for silicon is Si with …

Silicon's discovery, interesting facts, and properties - plus informative videos and comprehensive data tables.

Silicon (pronunciation SIL-ee-ken [2]), represented by the chemical symbol or formula Si [1], is a semiconductor [20] belonging to the carbon family [23]. It can be of two types, amorphous …

Apr 24, 2023 · Silicon is the eighth most abundant element in the universe by mass, yet it is only extremely rarely found as a pure element in the Earth’s crust. It exists in a vast variety of forms …

Silicon makes up 25.7% of the earth's crust, by weight, and is the second most abundant element, being exceeded only by oxygen. Silicon is not found free in nature, but occurs chiefly as the …

May 21, 2024 · Silicon is an abundant nonmetallic element found throughout the universe. Along with its various compounds, it is used in a wide variety of industrial applications including metal …

Jan 21, 2025 · 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 …