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Hafnium
Hafnium

Lawrencium
Lawrencium



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Hafnium
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Facts About Hafnium and Lawrencium

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.
  • It is synthetically produced metal.
  • Radiation hazard can be produce by it.
1.2 Sources
By-product Zirconium Refining
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
1.3.2 Discovery
In 1922
In 1961–1971
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %NA
Facts About Thallium
5E-09 0.11
1.4.3 Abundance In Sun
~0.0000001 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.5.1 Abundance In Meteorites
0.00 %NA
Facts About Gold
1.7E-07 22
1.6.1 Abundance In Earth's Crust
0.00 %NA
Facts About Radium
9.9E-12 8.1
1.6.2 Abundance In Oceans
0.00 %NA
Facts About Protactinium
2E-23 1.1
1.6.3 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4