Interesting Facts
Sources
Who Discovered
Discovery
Abundance In Universe
Abundance In Sun
Abundance In Meteorites
Abundance In Earth's Crust
Abundance In Oceans
Abundance In Humans
Roentgenium is a highly unstable synthetic element.
Gesellschaft für Schwerionenforschung
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
Bombarding Plutonium with Helium Ions
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso