Chromium Properties

     

Chromium By Vauquelin (1797)

NO ATOM
24
NAMA
Chromium
SIMBOL
Cr
BOBOT ATOM
51.9961
BENTUK
Solid
TIPE
Transition Metal
GRUP
6
GRUP LAMA
VIB
PERIOD
4
ELEKTRON CONFIG
[Ar] 3d5 4s1
GROUND LEVEL
7S3
ENERGI IONISASI
6.7665
TITIK LELEH
1907
TITIK DIDIH
2671
STRUKTUR KRISTAL
BCC
Atomic Radius (display)
(m) 128
Metallic Radius (pm)
128
Covalent radius (pm)
127
Atomic Radius (calculated) (pm)
166
Van der Waals Radius, (pm)
#N/A
Electro-negativity (Pauling)
1.66
Density (g/cm3)
7.14
Electron Affinity (kJ/mol)
64.3
Thermal Conductivity, W/(m K)
94
Electrical Resistivity (Ωm)
0.00000013
CAS NO
CAS7440-47-3
OXIDASI STATE
+2,3,6
PENEMU
Vauquelin
TAHUN
1797