1 Facts
1.1 Interesting Facts
- 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.
- Gadolinium is not found free in nature, hence it is not a native metal.
- Gadolinium metal found in minerals like Monazite and Bastnaesite.
1.2 Sources
Mining, Ores of metals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Pierre Curie and Marie Curie
Jean Charles Galissard de Marignac
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.4.2 Abundance In Sun
~-9999 %~0.0000002 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans