| Origin of Name |
From the Latin word Hafnia, meaning Copenhagen |
| Date and Place of Discovery |
In 1923 in Copenhagen, Denmark |
| Discovered by |
Dirk Coster, a Danish chemist, and
Charles de Hevesy, a Hungarian chemist |
| Common Compounds |
|
| Interesting facts |
- It was predicted after Mendeleev created his periodic table.
- It is not found free in nature.
- It makes up about .00058% of the earth's crust.
- It was discovered using X-ray spectroscopy to study the arrangement of the outer electrons of zirconium ore.
- Niels Bohr, Dirk Coster, and
Charles de Hevesy predicted its electron
structure before it was discovered.
- It is difficult to separate from zirconium, but it's present
in all its ores.
|
| Common Uses |
- Nuclear reactors
- Nuclear control rods
- Gas-filled and incandescent lamps
- Vacuum tubes
- An alloying agent in iron, niobium,
tantalum, and titanium.
- Integrated circuits
|
