Discovered By: Prehistoric
Discovery year: -3000

The following table showing some properties of Antimony(Sb):

Table Example
Atomic number 51
Group 15
Period 5
Block p
Atomic weight 121.76
Oxidation states -3 +3, +5
Ionic charge Sb^3+, Sb^5+
Electrons per shell K2 L8 M18 N18 O5
Electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^3
Atomic radius 133 pm


Table Example
Electrons 51
Protons 51
Electrons 71
Covalent radius 139 pm
Boiling point 1587°C
Melting point 630.63°C
Phase Solid
Fusion heat 19.7 kJ.mol^-1
Therml expansion 1.1*10^-5 K^-1
Vaporization heat 68 kJ.mol^-1


Table Example
Color Silver
Bulk modulus 42 GPa
Brinell hardness 294 MPa
Liquid density 6530 kg.m^-3
Density 6697 kg.m^-3
Mohs hardness 3
Molar volume 1.818*10^-5 m^3.mol^-1
Shear modulus 20 GPa
Sound speed 3420 m.s^-1
Thermal conductivity 24 W.m^-1.K^-1


Table Example
Young's modulus 55 GPa
Electric type Conductor
Magnetic type Diamagnetic
Electronegativity 2.05
Valence 5
Radioactive No
Neutron cross section 5.4 barn
Resistivity 4*10^-7 Ohm.m
Electric conductivity 2.5*10^6 S.m^-1
Electron affinity 103.2 kJ.mol^-1