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Hafnium
Hafnium

Terbium
Terbium



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Hafnium
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Terbium

Facts About Hafnium and Terbium

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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.
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
1.2 Sources
By-product Zirconium Refining
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Carl Gustaf Mosander
1.3.2 Discovery
In 1922
In 1842
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %5 * 10-8 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000001 %~0.00000001 %
Facts About Beryllium
1E-08 0.1
1.4.4 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
1.4.6 Abundance In Earth's Crust
0.00 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.8 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.9 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4