Antimony
Symbol
Sb
Atomic Number
51
Atomic Weight
121.760
Element Classification
Discovered By
Known to the ancients.
Discovery Date
n/a (Unknown)
Name Origin
Greek: anti and monos (not alone), symbol from mineral stibnite.
Density(g/cc)
6.691
Melting Point
903.9
Boiling Point(K)
1908
Appearance
Hard, silvery-white, brittle semimetal
Atomic Radius(pm)
159
Atomic Volume(cc/mol)
18.4
Covalent Radius(pm)
140
Ionic Radius
62 (+6e) 245 (-3)
Specific Heat
0.205
Fusion Heat
20.08
Evaporation Heat(kj/mol)
195.2
Thermal Conductivity(@25°C W/m K)
24.43
Debye Temperature
200.00
Pauling Negativity Number
2.05
First Ionizing Energy(kj/mol)
833.3
Oxidation States
5, 3, -2
Electronic Configuration
[Kr] 4d10 5s2 5p3
Lattice Structure
Rhombohedral(RHL)
Lattice Constant
4.510
Lattice C/A Ratio
n/a
