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Holmium
Holmium

Potassium
Potassium



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Holmium
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Potassium

Facts About Holmium and Potassium

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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.
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
1.3 History
1.3.1 Who Discovered
Marc Delafontaine
Humphry Davy
1.3.2 Discovery
In 1878
In 1807
1.4 Abundance
1.4.1 Abundance In Universe
5 * 10-8 %3 * 10-4 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.0004 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %0.07 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %1.50 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.04 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NA0.20 %
Facts About Radium
1E-13 1.4