Antoine Lavoisier hypothesized that silica might be an oxide of a elementary chemical element in 1787, but he lacked the tools necessary to reduce the oxide and isolate the element as a consequence of silicon’s powerful chemical affinity for oxygen. Elemental silicon is produced commercially via the reduction of silica https://raymondgihfe.wikiexpression.com/4978654/the_ultimate_guide_to_chromium_carbide_plates