Discovery of Samarium
Samarium, atomic number 62, has a mass of 150.36 au.
Samarium was first isolated in 1879 by P.E.L. de Boisbaudran. 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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