Cadmium
Chemical element
Cadmium is a chemical element; it has symbol Cd and atomic number 48. This soft, silvery-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Wikipedia
Symbol: Cd
Atomic mass: 112.414 u
Atomic number: 48
Electron configuration: [Kr] 4d¹⁰5s²
Melting point: 610°F (321.1°C)
Discovered: 1817
Density: 8.65 Mg/m3