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Hafnium
Hafnium

Samarium
Samarium



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Hafnium
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Samarium

Facts About Hafnium and Samarium

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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.
  • Samarium metals helps stimulating body metabolism.
  • Samarium metals was 1st observed by Jean Charles Galissard de Marignac in Dydimia in 1853.
1.2 Sources
By-product Zirconium Refining
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Lecoq de Boisbaudran
1.3.2 Discovery
In 1922
In 1879
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %5 * 10-7 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000001 %~0.0000001 %
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 %0.00 %
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
NANA
Facts About Radium
1E-13 1.4