Rubidium By Bunsen, Robert Wilhelm & Kirchhoff, Gustav Robert (1861) | |||||||
| NO ATOM 37 |
NAMA Rubidium |
SIMBOL Rb |
BOBOT ATOM 85.4678 |
BENTUK Solid |
TIPE Alkali Metal |
GRUP 1 |
GRUP LAMA IA |
| PERIOD 5 |
ELEKTRON CONFIG [Kr] 5s1 |
GROUND LEVEL 2S1/2 |
ENERGI IONISASI 4.1771 |
TITIK LELEH 39.31 |
TITIK DIDIH 688 |
STRUKTUR KRISTAL BCC |
Atomic Radius (display) (m) 248 |
| Metallic Radius (pm) 248 |
Covalent radius (pm) 211 |
Atomic Radius (calculated) (pm) 265 |
Van der Waals Radius, (pm) 303 |
Electro-negativity (Pauling) 0.82 |
Density (g/cm3) 1.532 |
Electron Affinity (kJ/mol) 46.9 |
Thermal Conductivity, W/(m K) 58 |
| Electrical Resistivity (Ωm) 0.00000012 |
CAS NO CAS7440-17-7 |
OXIDASI STATE +1 |
PENEMU Bunsen, Robert Wilhelm & Kirchhoff, Gustav Robert |
TAHUN 1861 |
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