Ytterbium: nambala ya atomiki 70, kulemera kwa atomiki 173.04, dzina lachidziwitso lochokera kumalo omwe anapeza. Zomwe zili mu ytterbium mu kutumphuka ndi 0.000266%, makamaka zomwe zimapezeka mu phosphorite ndi golide wakuda wakuda, pomwe zomwe zili mu monazite ndi 0.03%, ndi 7 isotopu zachilengedwe. Kupeza Mbiri...
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