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Lanthanum
Lanthanum

Polonium
Polonium



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Polonium

Facts About Lanthanum and Polonium

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • Lanthanum metal is highly malleable, ductile and sectile.
  • If exposed to air Lanthanum metal oxidizes rapidly.
Found in Minerals, Mining, Ores of Minerals
Carl Gustaf Mosander
In 1838
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  • 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.
Mining, Ores of metals
Pierre Curie and Marie Curie
In 1898
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