Symbol Sb Atomic radius: pm 145 Fusion: kJ/Mole 19.87
Name Antimony Ionic radius: pm (+3)76 Boiling point: C 1587
Atomic number 51 Electron affinity 1.07 Melting point: C 631
Atomic weight 121.8 1st  ion potential 8.64 Specific Heat Cap: J/(g K) 0.21
Classification Metalloid Natural form Solid Thermal Cond: W/(cm K) 0.24
Configuration [Kr]4d105s2p3 Crystal structure Rhom Electrical Cond 0.0288
Oxidation states +/-3,5 Density 6.68 Abundance: mg/kg-crust 0.2
Electronegativity 2.05 Vaporization: kJ/Mole 67.9    
Antimony has been known since prehistoric times. Uses - lead alloy battery, dyeing, lead alloy to increase hardness and mechanical strength, tracer bullets