Strontium Properties

     

Strontium By Crawford, Adair (1790)

NO ATOM
38
NAMA
Strontium
SIMBOL
Sr
BOBOT ATOM
87.62
BENTUK
Solid
TIPE
Alkaline Earth Metal
GRUP
2
GRUP LAMA
IIA
PERIOD
5
ELEKTRON CONFIG
[Kr] 5s2
GROUND LEVEL
1S0
ENERGI IONISASI
5.6949
TITIK LELEH
777
TITIK DIDIH
1382
STRUKTUR KRISTAL
FCC
Atomic Radius (display)
(m) 215
Metallic Radius (pm)
215
Covalent radius (pm)
192
Atomic Radius (calculated) (pm)
219
Van der Waals Radius, (pm)
249
Electro-negativity (Pauling)
0.95
Density (g/cm3)
2.63
Electron Affinity (kJ/mol)
5.03
Thermal Conductivity, W/(m K)
35
Electrical Resistivity (Ωm)
0.00000013
CAS NO
CAS7440-24-6
OXIDASI STATE
+2
PENEMU
Crawford, Adair
TAHUN
1790