Calcium Properties

     

Calcium By Davy, Sir Humphry (1808)

NO ATOM
20
NAMA
Calcium
SIMBOL
Ca
BOBOT ATOM
40.078
BENTUK
Solid
TIPE
Alkaline Earth Metal
GRUP
2
GRUP LAMA
IIA
PERIOD
4
ELEKTRON CONFIG
[Ar] 4s2
GROUND LEVEL
1S0
ENERGI IONISASI
6.1132
TITIK LELEH
842
TITIK DIDIH
1484
STRUKTUR KRISTAL
FCC
Atomic Radius (display)
(m) 197
Metallic Radius (pm)
197
Covalent radius (pm)
174
Atomic Radius (calculated) (pm)
194
Van der Waals Radius, (pm)
231
Electro-negativity (Pauling)
1
Density (g/cm3)
1.55
Electron Affinity (kJ/mol)
2.37
Thermal Conductivity, W/(m K)
200
Electrical Resistivity (Ωm)
0.000000034
CAS NO
CAS7440-70-2
OXIDASI STATE
+2
PENEMU
Davy, Sir Humphry
TAHUN
1808