eka-protactinium
noun 2
Definitions
noun
1
unbitrium (Ubt), an unsynthesized chemical element with atomic number 123.
2
unquadunium (Uqu), an unsynthesized element with atomic number 141.
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noun
unbitrium (Ubt), an unsynthesized chemical element with atomic number 123.
unquadunium (Uqu), an unsynthesized element with atomic number 141.