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Hafnium
Hafnium
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Barium
Barium
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Hafnium
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Facts About Hafnium and Barium
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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.
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
1.2 Sources
By-product Zirconium Refining
Earth's crust, Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Dirk Coster and George de Hevesy
Carl Wilhelm Scheele
1.3.2 Discovery
In 1922
In 1772
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
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7 * 10-8 %
Rank: 25 (Overall)▶
1 * 10-6 %
Rank: 16 (Overall)▶
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Facts About Thallium
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1.4.2 Abundance In Sun
Facts About Iron
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~0.0000001 %
Rank: 26 (Overall)▶
~0.000001 %
Rank: 18 (Overall)▶
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Facts About Beryllium
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1.4.3 Abundance In Meteorites
Facts About Iron
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0.00 %
Rank: 37 (Overall)▶
0.00 %
Rank: 20 (Overall)▶
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Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
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0.00 %
Rank: 31 (Overall)▶
0.03 %
Rank: 11 (Overall)▶
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Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
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0.00 %
Rank: 27 (Overall)▶
0.00 %
Rank: 8 (Overall)▶
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Facts About Protactinium
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1.4.6 Abundance In Humans
Facts About Cal..
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Not Available
Rank: N/A (Overall)▶
0.00 %
Rank: 12 (Overall)▶
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Facts About Radium
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