chromium
a metallic element, symbol Cr, which does not occur in the free state, is remarkable for the brilliant colours of its compounds, has the atomic number 24, the atomic weight 51.996, is part of the grou, keemiline element, sinaka varjundiga hõbevalge läikiv ja kõva metall, sulamistemperatuur 1907 ºC, tihedus 7,15 Mg/m3