Discovery of Cerium
Cerium, atomic number 58, has a mass of 140.116 au.
Cerium was first observed or predicted in 1803 by H. Klaproth, J. Berzelius, and W. Hisinger and first isolated in 1838 by G. Mosander. It took about 80 years to split the rare earths metal ores, the ceria & yttria, into the pure metals. See the timeline here.
|Periodic Table, What is it showing?||
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