Comparisons / Comparison of Darmstadtium and Roentgenium

Comparison of Darmstadtium and Roentgenium [S]ave

Attribute
Roentgenium
×

Darmstadtium
×
Oxidation states
  • -1
  • 1
  • 3
  • 5
  • 0
  • 2
  • 4
  • 6
  • 8
Atomic mass (u)282.169282.166
Electron configuration[Rn]7s²5f¹⁴6d⁹ (predicted)[Rn]7s²5f¹⁴6d⁸ (predicted)
Standard stateSolid (expected)Solid (expected)
Group nameTransition metalTransition metal
Atomic number111110
SymbolRgDs
Discovered (year)19941994



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