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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 luster, 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.
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 is the 14th element in the periodic table and has a symbol of Si and atomic number of 14. It has an atomic weight of 28.085 and a mass number of 28. Silicon has fourteen protons and fourteen neutrons in its nucleus, and fourteen electrons in three shells.
3 ημέρες πριν · 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 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.
21 Νοε 2020 · Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure.
9 Απρ 2020 · With the periodic table symbol Si, atomic number 14, atomic mass of 28.0855 g.mol-1, and electron configuration [Ne] 3s23p2, silicon is a brittle, hard, solid non-metallic substance with a blue-gray metallic luster. Silicon physically appears as a metal, but it displays strong non-metal properties.
