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Curium
Curium

Roentgenium
Roentgenium



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Facts About Curium and Roentgenium

1 Facts
1.1 Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
Not Available
1.2 Sources
Bombarding Plutonium with Helium Ions
Synthetically Produced
1.3 History
1.3.1 Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Gesellschaft für Schwerionenforschung
1.3.2 Discovery
In 1944
In 1994
1.4 Abundance
1.4.1 Abundance In Universe
NANA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
NANA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
NANA
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4