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Osmium
Osmium

Praseodymium
Praseodymium



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Osmium
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Praseodymium

Facts About Osmium and Praseodymium

1 Facts
1.1 Interesting Facts
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  • Praseodymium metal is synthetically produced metal.
  • Praseodymium is used as possible fuel for radioactive generators.
1.2 Sources
Found As a By-product, Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Smithson Tennant
Not Available
1.3.2 Discovery
In 1803
In 1885
1.4 Abundance
1.4.1 Abundance In Universe
3 * 10-7 %2 * 10-7 %
Facts About Thallium
5E-09 0.11
1.5.1 Abundance In Sun
~0.0000002 %~0.0000001 %
Facts About Beryllium
1E-08 0.1
1.6.3 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
2.2.2 Abundance In Earth's Crust
0.00 %0.00 %
Facts About Radium
9.9E-12 8.1
2.3.2 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
2.3.4 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4