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Hafnium
Hafnium

Rubidium
Rubidium



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Hafnium
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Rubidium

Facts About Hafnium and Rubidium

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1 Facts
1.1 Interesting Facts
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
  • Rubidium metal is 16th most common element found in the earth crust.
  • Rubidium metal also found in minerals as well as seawater.
1.2 Sources
By-product Zirconium Refining
Obtained from Lithium Production.
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Robert Bunsen and Gustav Kirchhoff
1.3.2 Discovery
In 1922
In 1861
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %1 * 10-6 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000001 %~0.000003 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %0.01 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NA0.00 %
Facts About Radium
1E-13 1.4