Antimony

Antimony

Atomic number 51

Atomic weight 121.757

Discovery (year) Before 1600

Atomic radius (A) 1.45

Melting point (^oC) 630.7

Boiling point (^oC) 1617

Density (g/cm³) 6.69

Specific heat (cal/g ^oC) 0.049

Ionization potential (eV) 8.641

Electron Affinity (eV) 1.05

Atomic number	51
Atomic weight	121.757
Discovery (year)	Before 1600
Atomic radius (A)	1.45
Melting point (^oC)	630.7
Boiling point (^oC)	1617
Density (g/cm³)	6.69
Specific heat (cal/g ^oC)	0.049
Ionization potential (eV)	8.641
Electron Affinity (eV)	1.05