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Gadolinium
Gadolinium

Polonium
Polonium



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Gadolinium
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Polonium

Facts About Gadolinium and Polonium

1 Facts
1.1 Interesting Facts
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  • Polonium was the first radioactive element to be discovered.
  • Polonium element and its compounds are highly radioactive.
  • Its alloy with Beryllium provides source of neutrons.
1.2 Sources
Found in Minerals, Mining
Mining, Ores of metals
1.3 History
1.3.1 Who Discovered
Jean Charles Galissard de Marignac
Pierre Curie and Marie Curie
1.3.2 Discovery
In 1880
In 1898
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-7 %NA
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000002 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
1.1.1 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.1.2 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4