部分http资源不能在https下加载，请将网址切回http.
观看小提示:[DVD标清版] [BD超清版] [HD高清版] [TS抢先版:不清晰]
类型：纪录片,短片 地区：苏联 年份：1982
The film shows the structure of alkali metal atoms, the regular increase in nuclear charges, atomic radii, and chemical activity from lithium to France. The properties of alkali metal hydroxides are compared.关键词：