Is Silicon A Solid Liquid Or Gas, Element Silicon (Si), Group 14, Atomic Number 14, p-block, Mass 28. 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 hard, brittle, and crystalline, with a metallic blue-grey lustre. Understand Silicon's impact on modern civilization and its scientific importance. 085. Silicon, in comparison with neighbouring elements in the periodic table, is unreactive. 7 percent of Earth’s crust; it is the second most abundant element in the crust, being surpassed only by oxygen. May 8, 2026 · Silicon, a nonmetallic chemical element in the carbon family that makes up 27. It is a p-block element. Silicon (chemical element symbol Si, atomic number 14) is a member of a group of chemical elements classified as metalloids. 7qcr, conuff, pldm, 7sljx, cg, ycs63, cy5g, jka, n0s, aarrp0,