×

Chromium
Chromium

Holmium
Holmium



ADD
Compare
X
Chromium
X
Holmium

Facts About Chromium and Holmium

Add ⊕
1 Facts
1.1 Interesting Facts
  • Chromium is highly reactive, hence it is not found free in nature.
  • Ores of Chromites mineral are the major source of Chromium metal.
  • Almost 90% leather tanning is done with the help of chromium.
  • 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 metals, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Louis Nicolas Vauquelin
Marc Delafontaine
1.3.2 Discovery
In Between 1797 - 1798
In 1878
1.4 Abundance
1.4.1 Abundance In Universe
1.5 * 10-3 %5 * 10-8 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~0.002 %~-9999 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.30 %0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.01 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
0.00 %NA
Facts About Radium
1E-13 1.4