Facts About Holmium and Protactinium
Interesting Facts
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
Sources
Found in Minerals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
Who Discovered
Marc Delafontaine
William Crookes
Discovery
In 1878
In 1900
Abundance In Universe
Not Available
Abundance In Meteorites
Not Available
Abundance In Earth's Crust