Tantalum By Ekeberg, Anders Gustav (1802) | |||||||
NO ATOM 73 |
NAMA Tantalum |
SIMBOL Ta |
BOBOT ATOM 180.9479 |
BENTUK Solid |
TIPE Transition Metal |
GRUP 5 |
GRUP LAMA VB |
PERIOD 6 |
ELEKTRON CONFIG [Xe] 4f14 5d3 6s2 |
GROUND LEVEL 4F3/2 |
ENERGI IONISASI 7.5496 |
TITIK LELEH 3017 |
TITIK DIDIH 5458 |
STRUKTUR KRISTAL BCC |
Atomic Radius (display) (m) 146 |
Metallic Radius (pm) 146 |
Covalent radius (pm) 138 |
Atomic Radius (calculated) (pm) 200 |
Van der Waals Radius, (pm) #N/A |
Electro-negativity (Pauling) 1.5 |
Density (g/cm3) 16.65 |
Electron Affinity (kJ/mol) 31 |
Thermal Conductivity, W/(m K) 57 |
Electrical Resistivity (Ωm) 0.00000013 |
CAS NO CAS7440-25-7 |
OXIDASI STATE +5 |
PENEMU Ekeberg, Anders Gustav |
TAHUN 1802 |