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