1 Facts
1.1 Interesting Facts
- Yttrium Metal is highly toxic.
- Yttrium Metal is highly reactive in nature hence not found free in nature.
- 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, Ores of Minerals
Mining, Ores of metals
1.3 History
1.3.1 Who Discovered
Johan Gadolin
Pierre Curie and Marie Curie
1.3.2 Discovery
1.4 Abundance
1.4.1 Abundance In Universe
1.7.2 Abundance In Sun
~0.0000001 %~-9999 %
1E-08
0.1
1.7.4 Abundance In Meteorites
1.7.6 Abundance In Earth's Crust
1.7.7 Abundance In Oceans
1.8.2 Abundance In Humans