Boron Properties

     

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