eka-protactinium

English

Etymology

eka- +‎ protactinium

Noun

eka-protactinium (uncountable)

  1. Unbitrium (Ubt), an unsynthesized chemical element with atomic number 123.
  2. Unquadunium (Uqu), an unsynthesized chemical element with atomic number 141.
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.