It is on the periodic table of elements under the symbol Bi at atomic number 83.
在元素周期表里序列号是83,标志是BI。
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。
They support the 130-year-old idea of their countryman Dmitri Mendeleev (who created the first version of the periodic table of elements).
他们支持他们同胞门捷列夫(他创造了元素周期表的第一版)有130年历史的观点。
People who remember the periodic table of the elements from chemistry class might recognize them.
VOA: special.2010.10.08
You are allowed to use on the test the official version of the Periodic Table of the Elements which most of you should have by now.
在测试中你们可以使用,化学元素周期表的官方版本,你们应该大部分都有了吧。
And there's a lot we can explain by talking about what we see in the periodic table in terms of what different trends are in grouping different elements in different spots within the periodic table.
我们可以解释很多,通过讨论元素,周期表中的内容,按照各种不同的规律,将周期表中不同位置的元素分组归类。
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