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Niobium
Niobium

Polonium
Polonium



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Facts About Niobium and Polonium

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Facts

Interesting Facts

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Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

 
  • Niobium metal was used to get called Columbium in past.
  • Niobium metal found freely in nature (abundance).
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
Charles Hatchett
In 1801
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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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