Atomic Number (# of protons)

43

Mass (amu)

97.90

Density

11.5 g/cm³ (20⁰C, 1 atm)

Electron Configuration

[Kr]4d⁵5s²

Oxidation States (bold = most stable)

+7

Atomic Radius (pm)

135

Ionic Radius (pm)

Not Available

Electronegativity

1.4

Melting Point (⁰C, 1 atm)

2204

Electron Affinity (eV)

0.55

Boiling Point(⁰C, 1 atm)

4265

1^st Ionization energy (eV)

7.28

Enthalpy of Fusion (kJ/mole)

23.01

2^nd Ionization Energy (eV)

Enthalpy of Vaporization (kJ/mole)

660.0

3^rd Ionization Energy (eV)

Specific Heat Capacity ( J/ (g K), 25⁰C, 1 atm)

0.21