Hg
元素符号:Hg
中文名称:汞
英文名称:Mercury
原子序数:80
原子量:200.6
外围电子排布:5d10 6s2
核外电子排布:2,8,18,32,18,2
常见化合价:+1,+2
密度:13.546
溶点:-38.87
沸点:356.6
所属周期:6
所属族数:IIB
原子半径:1.76
离子半径:1.02(+2)
共价半径:1.49
同位素及放射性:Hg-196 Hg-198 Hg-199 Hg-200 Hg-201 *Hg-202 Hg-204
发现人:Known to the ancients.
发现时间:
发现地点:
名称由来:From the Roman god Mercury; symbol from Latin: hydrargyrus (liquid silver).
元素描述:Heavy, silver-white metal, liquid at ordinary temperatures.
元素来源:Virtually all mercury comes from cinnabar or mercury sulfide (HgS). Some sources of red cinnabar are so rich in mercury that droplets of elemental mercury can be found in random samples.
元素用途:Used in thermometers, barometers, and batteries. Also used in electrical switches and mercury-vapor lighting products.