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Sorry, no etymologies found.
Praseodymium responds to magnetism by getting colder; Swanwick found it a small step to write a story about cryogenic research.
Praseodymium are two of them, for their weights are 143.6, 140.5.
Few heard of elements like Praseodymium or Lanthanum, but they and another 15 rare earth elements are making
We meant Iron (not Irone); Praseodymium (not Praseodynium); Neodymium (not Neodynium); Neptunium (not Neptuniam); Americium (not Americum); Seaborgium (not Seoborgium); and Darmstadtium (not Darmstadium).
They include: Scandium; Yttrium; Lanthanum; Cerium; Praseodymium; Neodymium; Promethium;
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