Barium Properties

     

Barium By Davy, Sir Humphry (1808)

NO ATOM
56
NAMA
Barium
SIMBOL
Ba
BOBOT ATOM
137.327
BENTUK
Solid
TIPE
Alkaline Earth Metal
GRUP
2
GRUP LAMA
IIA
PERIOD
6
ELEKTRON CONFIG
[Xe] 6s2
GROUND LEVEL
1S0
ENERGI IONISASI
5.2117
TITIK LELEH
727
TITIK DIDIH
1870
STRUKTUR KRISTAL
BCC
Atomic Radius (display)
(m) 222
Metallic Radius (pm)
222
Covalent radius (pm)
198
Atomic Radius (calculated) (pm)
253
Van der Waals Radius, (pm)
268
Electro-negativity (Pauling)
0.89
Density (g/cm3)
3.51
Electron Affinity (kJ/mol)
13.95
Thermal Conductivity, W/(m K)
18
Electrical Resistivity (Ωm)
0.00000035
CAS NO
CAS7440-39-3
OXIDASI STATE
+2
PENEMU
Davy, Sir Humphry
TAHUN
1808