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Holmium
Holmium

Actinium
Actinium



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Facts About Holmium and Actinium

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1 Facts
1.1 Interesting Facts
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
Not Available
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Obtained by Treating Radium with Neutrons, Ores of metals
1.3 History
1.3.1 Who Discovered
Marc Delafontaine
Friedrich Oskar Giesel
1.3.2 Discovery
In 1878
In 1902
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
5 * 10-8 %
Rank: 27 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~-9999 %
Rank: N/A (Overall)
~-9999 %
Rank: N/A (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 43 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.00 %
Rank: 38 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 41 (Overall)
Not Available
Rank: N/A (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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