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Iridium
Iridium

Actinium
Actinium



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Iridium
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Facts About Iridium and Actinium

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1 Facts
1.1 Interesting Facts
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
Not Available
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Obtained by Treating Radium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Smithson Tennant
Friedrich Oskar Giesel
1.3.2 Discovery
In 1803
In 1902
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-7 %NA
Facts About Thallium
5E-09 0.11
1.1.1 Abundance In Sun
~0.0000002 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.1.3 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.5.2 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
1.5.4 Abundance In Oceans
NANA
Facts About Protactinium
2E-23 1.1
1.5.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4