Silicon Silicon Silicon is a chemical element with symbol Si and atomic number 14. It is a hard and brittle crystalline solid with a blue-grey metallic lustre; and it is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic table: carbon is above it; and germanium, tin, and lead are below it. It is relatively unreactive. Because of its large chemical affinity for oxygen, it was not until 1823 that Jöns Jakob Berzelius was first able to prepare it and characterize it in pure form. Its melting and boiling points of 1414 °C and 3265
Si Prat and the other works traditionally attributed to Si Prat were not written by him, and that he probably did not exist as commonly told, this consensus has not spread far outside of academic circles. The general public remains familiar with the traditional version of the Si Prat story, thanks in part to its popularization by the Fine Arts Department and its inclusion in school curricula since the 1970s. But whether seen as a historical figure or a fictional creation, Si Prat is regarded as a symbol of creative genius, the great poet from an idealized period of literary flourishing. Si