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单词 eka-protactinium
释义

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.
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