copernicium

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roentgenium 112 nihonium

Pronunciation[change]

  • enPR: kōpərnĭsʹēəm, IPA (key): /koʊpərˈnɪsi.əm/
  • (file)

Noun[change]

Singular
copernicium

Plural
none

  1. (uncountable) Copernicium is a synthetic radioactive element with an atomic number of 112 and symbol Cn.