Argentum
Argentum is the Latin name for silver and is the etymological source of the chemical symbol Ag and the English word argent. In chemistry, argentum denotes the element silver, with atomic number 47. Silver is a soft, ductile, and malleable metal with a bright white luster. It is among the best electrical and thermal conductors and has the highest reflectivity of any metal in the visible spectrum. It is relatively stable in air but slowly tarnishes to a layer of silver sulfide when exposed to sulfur compounds.
Argentum occurs in native form and in minerals such as argentite (silver sulfide) and chlorargyrite (silver
Historically, silver has been used for coinage, jewelry, and tableware, as well as for decorative and ceremonial
Safety and environmental notes: metallic silver is relatively inert, but silver compounds can be toxic in sufficient