Erbium By Mosander, Carl Gustav (1842) | |||||||
NO ATOM 68 |
NAMA Erbium |
SIMBOL Er |
BOBOT ATOM 167.259 |
BENTUK Solid |
TIPE Rare Earth Metal |
GRUP 101 |
GRUP LAMA Lanthanides |
PERIOD 6 |
ELEKTRON CONFIG [Xe] 4f12 6s2 |
GROUND LEVEL 3H6 |
ENERGI IONISASI 6.1077 |
TITIK LELEH 1497 |
TITIK DIDIH 2868 |
STRUKTUR KRISTAL HCP |
Atomic Radius (display) (m) 176 |
Metallic Radius (pm) 176 |
Covalent radius (pm) #N/A |
Atomic Radius (calculated) (pm) 226 |
Van der Waals Radius, (pm) #N/A |
Electro-negativity (Pauling) 1.24 |
Density (g/cm3) 9.066 |
Electron Affinity (kJ/mol) 50 |
Thermal Conductivity, W/(m K) 15 |
Electrical Resistivity (Ωm) 0.00000086 |
CAS NO CAS7440-52-0 |
OXIDASI STATE +3 |
PENEMU Mosander, Carl Gustav |
TAHUN 1842 |