Er
元素符号:Er
中文名称:铒
英文名称:Erbium
原子序数:68
原子量:167.3
外围电子排布:4f12 6s2
核外电子排布:2,8,18,30,8,2
常见化合价:+3
密度:9.05
溶点:1529
沸点:2868
所属周期:6
所属族数:IIIB
原子半径:2.45
离子半径:1.00(+3)
共价半径:1.57
同位素及放射性:Er-162 Er-164 *Er-166 Er-167 Er-168 Er-170
发现人:Carl Mosander
发现时间:1843
发现地点:瑞典
名称由来:Named after the Swedish town, Ytterby.
元素描述:Soft, malleable, silvery metal.
元素来源:Found with other heavier rare earths in xenotime and euxerite.
元素用途:Erbium oxide is used in ceramics to obtain a pink glaze. Also a few uses in the nuclear industry and as an alloying agent for other exotic metals. For example, it increases the malleability of vanadium.