1. Silver is metallic chemical element represented by Ag having atomic number 47. It is white, lustrous transition metal, which has the highest electrical conductivity as compared to any element and the highest thermal conductivity as compared to any metal.
银（Ag）是一类重要的金属元素，原子序数为47，呈白色，具有金属光泽，在所有元素中具有最高的电导率，导热率也比任何其它金属都高。