Atomic Number (# of protons)

97

Mass (amu)

(247)

Density

Not Available

Electron Configuration

[Rn]5f⁹7s²

Oxidation States (bold = most stable)

+4,+3

Atomic Radius (pm)

Not Available

Ionic Radius (pm)

Not Available

Electronegativity

1.2

Melting Point (⁰C, 1 atm)

1050

Electron Affinity (eV)

Not Available

Boiling Point(⁰C, 1 atm)

Not Available

1^st Ionization energy (eV)

6.23

Enthalpy of Fusion (kJ/mole)

Not Available

2^nd Ionization Energy (eV)

Enthalpy of Vaporization (kJ/mole)

Not Available

3^rd Ionization Energy (eV)

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

Not Available