Ta
Tantalum
73
Atomic Number: 73
Atomic mass: 180.947882
Ionization energy: 761
Electronaffinity: -31
Covalent radius: 138
Calculated radius: 200
Empirical radius: 145
Vanderwaals radius:
Electronegativity: 1.5
Density: 16.65
Oxidation states: -1, 2, 3, 4, 5
Melting point: 3290
Boiling point: 5731
Electron configuration: [Xe] 4f14 5d3 6s2
Element group: 5
Element period: 6

To check spectrum of Tantalum out please install Adobe Flash Player

{{filed}}
{{line[filed]}}