Atomic Number (# of protons)

25

Mass (amu)

54.94

Density

7.44 g/cm³ (20⁰C, 1 atm)

Electron Configuration

[Ar]3d⁵4s²

Oxidation States (bold = most stable)

+7,+6,+4,+2,+3

Atomic Radius (pm)

137

Ionic Radius (pm)

(+2)67

Electronegativity

1.6

Melting Point (⁰C, 1 atm)

1246

Electron Affinity (eV)

Not Stable

Boiling Point(⁰C, 1 atm)

2062

1^st Ionization energy (eV)

7.43

Enthalpy of Fusion (kJ/mole)

14.64

2^nd Ionization Energy (eV)

Enthalpy of Vaporization (kJ/mole)

219.7

3^rd Ionization Energy (eV)

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

0.48