Promethium

by Noah and Kirk
 * Promethium: Random Facts**

Atomic Weight
 * Overview:**
 * 145

Density: 7.264 g/cm^3 Melting Point: 1100 C Boiling Point: 3000 C Symbol: Pm

Electron Configuration: [Xe](4f^5)(6s^2) Discovery: 1945, USA CAS Number: CAS7440-12-2
 * Classifications:**


 * Electrical Properties:**

Electrical Conductivity: 1300000 Sm Resistance: 7.5×10^-7 mΩ

Half-Life: 17.73 years Lifetime: 25.56 years Quantum Numbers: 6H5/2 Neutron Cross Section: 8000
 * Nuclear P roperties >:D**

**Uses:** Promethium is used in uranium batteries. Not much else.


 * Pictures:**