The structure of the periodic table appeared to limit the number of possible elements.
元素周期表的结构似乎限制了潜在元素的数量。
Pure metals are elements which come from a particular area of the periodic table.
纯金属是在元素周期表中占据特定位置的元素。
In the periodic table of elements, each element has its own place and number.
周期表中，各个元素都有自己的位号。
In the periodic table of elements, each element has its own place and number.
周期表中，各个元素都有自己的位号。
应用推荐