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| NAME | DESC | WHEN | ||
|---|---|---|---|---|
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Terbium Tb |
A silvery-white, rare earth metal that is malleabl... | ||
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Lanthanum La |
A soft, ductile, silvery-white metal that tarnishe... | ||
|
Samarium Sm |
moderately hard silvery metal that slowly oxidize... | ||
|
Dysprosium Dy |
Dysprosium is a rare-earth element and has a metal... | ||
|
Praseodymium Pr |
Praseodymium is the third member of the lanthanide... | ||
|
Neodymium Nd |
Neodymium belongs to the lanthanide series and is ... | ||
|
Carl Auer von Welsbach | Austrian scientist and inventor, who separated di... | ||
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Lutetium Lu |
Lutetium is a chemical element with the symbol Lu ... | ||
|
Georges Urbain | |||
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University of New Hampshire UNH |
Public land-grant research university with its mai... | ||
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University College London UCL, London Unive... |
Public research university located in London, Unit... | ||
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Promethium Pm |
All of its isotopes are radioactive; it is extreme... | ||
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Europium Eu |
Europium is a chemical element with the symbol Eu ... | ||
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Gadolinium Gd |
Gadolinium is a silvery-white metal when oxidation... | ||
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Holmium Ho |
Part of the lanthanide series, holmium is a rare-e... | ||
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Thulium Tm |
It is the thirteenth and third-last element in the... |
