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Polonium
Polonium

Neodymium
Neodymium



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Polonium
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Facts About Polonium and Neodymium

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.
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium 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
Carl Auer von Welsbach
1.3.2 Discovery
In 1898
In 1885
1.4 Abundance
1.4.1 Abundance In Universe
NA1 * 10-6 %
Facts About Thallium
5E-09 0.11
1.1.1 Abundance In Sun
~-9999 %~0.0000003 %
Facts About Beryllium
1E-08 0.1
1.3.2 Abundance In Meteorites
NA0.00 %
Facts About Gold
1.7E-07 22
1.5.2 Abundance In Earth's Crust
NA0.00 %
Facts About Radium
9.9E-12 8.1
2.5.1 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
2.7.3 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4