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111 Rg

Roentgenium

Transition Metal
Atomic Mass
[282] u
Density
Not well established
Melting Point
Not well established
Boiling Point
Not well established
State
Solid
Discovery
1994

Discovery

Discovered by Gesellschaft für Schwerionenforschung (Germany) in 1994.

Common Uses

  • Scientific research

Interesting Facts

  • Named after Wilhelm Röntgen, discoverer of X-rays.
  • Predicted to have properties similar to gold.
  • Extremely unstable, with a half-life of only seconds.
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