Ununbium
noun, Chemistry, Physics.
1.
former name of copernicium. Symbol: Uub.
noun, Chemistry, Physics.
1.
copernicium.
ununbium
(ə-nŭn’bē-əm)
See element 112.
element 112
Symbol Uub
An artificially produced radioactive element whose isotope has a mass number of 277 and a half-life of 280 milliseconds. Atomic number 112. Also called ununbium. See Periodic Table.
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