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 |
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