companydirectorylist.com  Global Business Directory e directory aziendali
Ricerca Società , Società , Industria :


elenchi dei paesi
USA Azienda Directories
Canada Business Elenchi
Australia Directories
Francia Impresa di elenchi
Italy Azienda Elenchi
Spagna Azienda Directories
Svizzera affari Elenchi
Austria Società Elenchi
Belgio Directories
Hong Kong Azienda Elenchi
Cina Business Elenchi
Taiwan Società Elenchi
Emirati Arabi Uniti Società Elenchi


settore Cataloghi
USA Industria Directories














  • 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 planets as various forms of silicon dioxide (silica) or silicates
  • 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 about the characteristics, distribution, and uses of silicon in this article
  • Silicon | History, Uses, Facts, Physical Chemical Characteristics
    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 atomic number 14 It has a very high melting and boiling point
  • Silicon - Element information, properties and uses | Periodic Table
    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 – 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 helium nuclei to carbon to produce oxygen, neon, magnesium and silicon
  • 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 planets as various forms of silicon dioxide (silica) or silicates
  • Periodic Table of Elements: Los Alamos National Laboratory
    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 oxide and as silicates
  • Silicon Facts, Symbol, Discovery, Properties, Common Uses
    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 powder and solid crystalline form




Annuari commerciali , directory aziendali
Annuari commerciali , directory aziendali copyright ©2005-2012 
disclaimer