Metal

Metal   In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic Bonds. Metals are sometimes described as a lattice of positive ions surrounded by a cloud of delocalized electrons. The metals are one of the three groups of Elements as distinguished by their ionization and bonding properties, along … Read more

Cathedral Architecture

 Cathedral architecture The history of cathedral architecture begins around the year 312 CE. When the Byzantine emperor, Constantine I, publicly converted to Christianity and legitimized Christianity as a formal religion, the Christian church as we know it was formally organized. Although there were impressive buildings long before, calling these structures cathedrals would be … Read more