Comparisons / Comparison of Roentgenium and Copernicium

Comparison of Roentgenium and Copernicium [S]ave

Attribute
Copernicium
×

Roentgenium
×
Discovered (year)19961994
Electron configuration[Rn]7s²5f¹⁴6d¹⁰ (predicted)[Rn]7s²5f¹⁴6d⁹ (predicted)
Oxidation states
  • 0
  • 1
  • 2
  • -1
  • 1
  • 3
  • 5
Atomic mass (u)286.179282.169
Standard stateSolid (expected)Solid (expected)
Group nameTransition metalTransition metal
Atomic number112111
SymbolCnRg



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