Rubidium Properties

     

Rubidium By Bunsen, Robert Wilhelm & Kirchhoff, Gustav Robert (1861)

NO ATOM
37
NAMA
Rubidium
SIMBOL
Rb
BOBOT ATOM
85.4678
BENTUK
Solid
TIPE
Alkali Metal
GRUP
1
GRUP LAMA
IA
PERIOD
5
ELEKTRON CONFIG
[Kr] 5s1
GROUND LEVEL
2S1/2
ENERGI IONISASI
4.1771
TITIK LELEH
39.31
TITIK DIDIH
688
STRUKTUR KRISTAL
BCC
Atomic Radius (display)
(m) 248
Metallic Radius (pm)
248
Covalent radius (pm)
211
Atomic Radius (calculated) (pm)
265
Van der Waals Radius, (pm)
303
Electro-negativity (Pauling)
0.82
Density (g/cm3)
1.532
Electron Affinity (kJ/mol)
46.9
Thermal Conductivity, W/(m K)
58
Electrical Resistivity (Ωm)
0.00000012
CAS NO
CAS7440-17-7
OXIDASI STATE
+1
PENEMU
Bunsen, Robert Wilhelm & Kirchhoff, Gustav Robert
TAHUN
1861