Silizium, or silicon in English, is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster. Silizium is the second most abundant element in the Earth's crust, primarily found in the form of silicates and silica. It plays a crucial role in the production of glass, ceramics, and semiconductors. In the technology sector, Silizium is essential for manufacturing computer chips and solar cells. Its unique properties allow it to conduct electricity, making it a key material in the electronics industry. Additionally, Silizium is used in various alloys and as a reducing agent in metal production.