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Bohrium
Bohrium

Hafnium
Hafnium



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Bohrium
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Hafnium

Facts About Bohrium and Hafnium

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1 Facts
1.1 Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  • Hafnium metal is highly reactive, hence not found free in nature.
  • Hafnium metal as predicated after Mendeleev finished his periodic table.
1.2 Sources
Found in Minerals, Mining, Synthetically Produced
By-product Zirconium Refining
1.3 History
1.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Dirk Coster and George de Hevesy
1.3.2 Discovery
In 1981
In 1922
1.4 Abundance
1.4.1 Abundance In Universe
NA7 * 10-8 %
Facts About Thallium
5E-09 0.11
1.5.2 Abundance In Sun
~-9999 %~0.0000001 %
Facts About Beryllium
1E-08 0.1
1.5.4 Abundance In Meteorites
NA0.00 %
Facts About Gold
1.7E-07 22
1.6.2 Abundance In Earth's Crust
NA0.00 %
Facts About Radium
9.9E-12 8.1
1.6.4 Abundance In Oceans
NA0.00 %
Facts About Protactinium
2E-23 1.1
1.6.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4