Facts About Thulium and Polonium
Interesting Facts
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
- 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.
Sources
Found in Minerals, Mining, Ores of Minerals
Mining, Ores of metals
Who Discovered
Per Teodor Cleve
Pierre Curie and Marie Curie
Discovery
In 1879
In 1898
Abundance In Meteorites
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Abundance In Earth's Crust