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Praseodymium
Praseodymium

Holmium
Holmium



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Praseodymium
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Facts About Praseodymium and Holmium

1 Facts
1.1 Interesting Facts
  • Praseodymium metal is synthetically produced metal.
  • Praseodymium is used as possible fuel for radioactive generators.
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Not Available
Marc Delafontaine
1.3.2 Discovery
In 1885
In 1878
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
2 * 10-7 %
Rank: 22 (Overall)
5 * 10-8 %
Rank: 27 (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~0.0000001 %
Rank: 26 (Overall)
~-9999 %
Rank: N/A (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 40 (Overall)
0.00 %
Rank: 43 (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.00 %
Rank: 27 (Overall)
0.00 %
Rank: 38 (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 39 (Overall)
0.00 %
Rank: 41 (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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