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Potassium
Potassium

Holmium
Holmium



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Potassium
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Holmium

Facts About Potassium and Holmium

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1 Facts
1.1 Interesting Facts
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
1.2 Sources
Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Humphry Davy
Marc Delafontaine
1.3.2 Discovery
In 1807
In 1878
1.4 Abundance
1.4.1 Abundance In Universe
3 * 10-4 %5 * 10-8 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.0004 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.07 %0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
1.50 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.04 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
0.20 %NA
Facts About Radium
1E-13 1.4