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Praseodymium
Praseodymium

Holmium
Holmium



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Praseodymium
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Holmium

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
2 * 10-7 %5 * 10-8 %
Facts About Thallium
5E-09 0.11
1.4.4 Abundance In Sun
~0.0000001 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.5 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
1.4.7 Abundance In Earth's Crust
0.00 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.10 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.12 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4