Promethium (thing)

Promethium
Symbol: Pm
Atomic Number: 61
Atomic Weight: 145 (most stable)
Boiling Point: 3273 K
Melting Point: 1315 K
Density at 300K: 7.22 g/cm³
Covalent radius: 1.63
Atomic radius: 2.62
Atomic volume: 22.4 cm³/mol
First ionization potental: 5.55 V
Specific heat capacity: N/A
Thermal conductivity: 17.9 Wm^-1K^-1
Electrical conductivity: 2*10⁶Ω^-1m^-1
Heat of fusion: N/A
Heat of vaporization: N/A
Electronegativity: 1.13 (Pauling's)

Previous Neodymium---Samarium Next
To the Periodic Table