Tantalum

Tantalum

Atomic number 73

Atomic weight 180.9479

Discovery (year) 1802

Atomic radius (A) 1.43

Melting point (^oC) 2996

Boiling point (^oC) 5425

Density (g/cm³) 16.6

Specific heat (cal/g ^oC) 0.036

Ionization potential (eV) 7.89

Electron Affinity (eV) 0.6

Atomic number	73
Atomic weight	180.9479
Discovery (year)	1802
Atomic radius (A)	1.43
Melting point (^oC)	2996
Boiling point (^oC)	5425
Density (g/cm³)	16.6
Specific heat (cal/g ^oC)	0.036
Ionization potential (eV)	7.89
Electron Affinity (eV)	0.6