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Hafnium
Hafnium

Magnesium
Magnesium



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Hafnium
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Facts About Hafnium and Magnesium

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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.
  • Magnesium ions are present in every chlorophyll of every green plant .
  • Controlling Magnesium fire by pouring water on it will result in explosions.
1.2 Sources
By-product Zirconium Refining
By Electrolysis Process, In Ocean, Mining
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Joseph Black
1.3.2 Discovery
In 1922
In 1755
1.4 Abundance
1.4.1 Abundance In Universe
7 * 10-8 %6 * 10-2 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0000001 %~0.07 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %12.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %2.90 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.13 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NA0.03 %
Facts About Radium
1E-13 1.4