Promethium Properties

     

Promethium By Marinsky, Jacob A. & Coryell, Charles D. & Glendenin, Lawerence. E. (1944)

NO ATOM
61
NAMA
Promethium
SIMBOL
Pm
BOBOT ATOM
145
BENTUK
Synthetic
TIPE
Rare Earth Metal
GRUP
101
GRUP LAMA
Lanthanides
PERIOD
6
ELEKTRON CONFIG
[Xe] 4f5 6s2
GROUND LEVEL
6H°5/2
ENERGI IONISASI
5.582
TITIK LELEH
1100
TITIK DIDIH
3000
STRUKTUR KRISTAL
HCP
Atomic Radius (display)
(m) 183
Metallic Radius (pm)
183
Covalent radius (pm)
#N/A
Atomic Radius (calculated) (pm)
205
Van der Waals Radius, (pm)
#N/A
Electro-negativity (Pauling)
#N/A
Density (g/cm3)
7.264
Electron Affinity (kJ/mol)
50
Thermal Conductivity, W/(m K)
15
Electrical Resistivity (Ωm)
0.00000075
CAS NO
CAS7440-12-2
OXIDASI STATE
+3
PENEMU
Marinsky, Jacob A. & Coryell, Charles D. & Glendenin, Lawerence. E.
TAHUN
1944