ununbium
Definitions
The former systematic element name for the chemical element with atomic number 112 (symbol Uub), which has been officially changed to copernicium.
Equivalents
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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