Group A vertical column in the periodic table. Associates of a gaggle typically have equivalent Houses and electron configurations within their outer shell. Visual appearance Silver is a comparatively smooth, shiny steel. It tarnishes slowly and gradually in air as sulfur compounds react Using the surface forming black silver sulfide. https://konzeptualisierer.de/machen-sie-aus-ihrem-silber-bargeld-expertenratschlage-zum-verkauf-von-edelmetallen/