Cd
元素符号:Cd
中文名称:镉
英文名称:Cadmium
原子序数:48
原子量:112.4
外围电子排布:4d10 5s2
核外电子排布:2,8,18,18,2
常见化合价:+2
密度:8.65
溶点:320.9
沸点:765
所属周期:5
所属族数:IIB
原子半径:1.71
离子半径:0.95(+2)
共价半径:1.48
同位素及放射性:Cd-106 Cd-108 Cd-110 Cd-111 Cd-112 Cd-113 *Cd-114 Cd-116
发现人:Fredrich Stromeyer
发现时间:1817
发现地点:德国
名称由来:Greek: kadmeia (ancient name for calamine (zinc oxide)).
元素描述:Soft, malleable, blue-white metal.
元素来源:Obtained as a by product of zinc refining.
元素用途:Used in nickel-cadmium batteries. Also in electroplating steel and in the manufacture of berings. Its compounds are found in paint pigments and a wide variety of intense colors. Boiling cadmium gives off a weird, yellow-colored vapor that is poisonous.