Atomic Number (# of protons)

33

Mass (amu)

74.92

Density

5.72 g/cm³ (20⁰C, 1 atm)

Electron Configuration

[Ar]3d¹⁰4s²p³

Oxidation States (bold = most stable)

+3,-3,5

Atomic Radius (pm)

125

Ionic Radius (pm)

(+3)58

Electronegativity

2.2

Melting Point (⁰C, 1 atm)

615

Electron Affinity (eV)

0.81

Boiling Point(⁰C, 1 atm)

615

1^st Ionization energy (eV)

9.81

Enthalpy of Fusion (kJ/mole)

24.44

2^nd Ionization Energy (eV)

Enthalpy of Vaporization (kJ/mole)

34.76

3^rd Ionization Energy (eV)

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

0.33