Boron By Davy, Sir Humphry & Thénard, Louis-Jaques & Gay-Lussac, Louis-Joseph (1808) | |||||||
| NO ATOM 5 |
NAMA Boron |
SIMBOL B |
BOBOT ATOM 10.811 |
BENTUK Solid |
TIPE Metalloids |
GRUP 13 |
GRUP LAMA IIIA |
| PERIOD 2 |
ELEKTRON CONFIG [He] 2s2 2p1 |
GROUND LEVEL 2P°1/2 |
ENERGI IONISASI 8.298 |
TITIK LELEH 2075 |
TITIK DIDIH 4000 |
STRUKTUR KRISTAL rhom. |
Atomic Radius (display) (v) 82 |
| Metallic Radius (pm) |
Covalent radius (pm) 82 |
Atomic Radius (calculated) (pm) 87 |
Van der Waals Radius, (pm) 192 |
Electro-negativity (Pauling) 2.04 |
Density (g/cm3) 2.46 |
Electron Affinity (kJ/mol) 26.7 |
Thermal Conductivity, W/(m K) 27 |
| Electrical Resistivity (Ωm) 10000 |
CAS NO CAS7440-42-8 |
OXIDASI STATE +3 |
PENEMU Davy, Sir Humphry & Thénard, Louis-Jaques & Gay-Lussac, Louis-Joseph |
TAHUN 1808 |
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