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Create the page "Infobox promethium" on this wiki! See also the search results found.

• Neodymium
  {{Infobox element |right=[[Promethium]]
  11 KB (1,483 words) - 21:03, 12 August 2020
• Thulium
  {{Infobox element ...the second-least abundant of the lanthanides, after radioactively unstable promethium which is only found in trace quantities on Earth.
  9 KB (1,284 words) - 16:17, 13 May 2019
• Samarium
  {{Infobox element |left=[[Promethium]]
  11 KB (1,587 words) - 20:36, 26 December 2022
• Promethium
  {{Infobox element |name= Promethium
  8 KB (1,103 words) - 19:19, 17 December 2022