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  1. Silicon - Wikipedia

    Silicon is the eighth most common element in the universe by mass, but very rarely occurs in its pure form in the Earth's crust. It is widely distributed throughout space in cosmic dusts, planetoids, and …

  2. Silicon | Element, Atom, Properties, Uses, & Facts | Britannica

    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 …

  3. Silicon - Element information, properties and uses | Periodic ...

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

  4. What Is Silicon? From the Element to Semiconductors

    Jan 7, 2026 · Silicon is a metalloid, exhibiting properties of both metals and nonmetals, and holds the atomic number 14 on the periodic table. It is a tetravalent element, possessing four valence electrons …

  5. Silicon | Si (Element) - PubChem

    Periodic Table Silicon Silicon is a chemical element with symbol Si and atomic number 14. Classified as a metalloid, Silicon is a solid at 25°C (room temperature).

  6. 7.7.4: Chemistry of Silicon (Z=14) - Chemistry LibreTexts

    Silicon, the second most abundant element on Earth, plays a vital role in various applications, from everyday products to advanced technology. Primarily found as silicon dioxide, it acts as a …

  7. WebElements Periodic Table » Silicon » the essentials

    Silicon makes up 25.7% of the earth's crust by weight, and is the second most abundant element, exceeded only by oxygen. It is found largely as silicon oxides such as sand (silica), quartz, rock …

  8. Silicon - Wikiwand

    Silicon is the eighth most common element in the universe by mass, but very rarely occurs in its pure form in the Earth's crust. It is widely distributed throughout space in cosmic dusts, planetoids, and …

  9. Silicon - New World Encyclopedia

    Silicon (chemical element symbol Si, atomic number 14) is a member of a group of chemical elements classified as metalloids. It is less reactive than its chemical analog carbon.

  10. Silicon – expert written, user friendly element information

    Silicon is the eighth most abundant element in the Universe; it is made in stars with a mass of eight or more Earth suns. Near the end of their lives these stars enter the carbon burning phase, adding …