Atomic Number (# of protons)

88

Mass (amu)

226.0

Density

5.0 g/cm³ (20⁰C, 1 atm)

Electron Configuration

[Rn]7s²

Oxidation States (bold = most stable)

+2

Atomic Radius (pm)

Not Available

Ionic Radius (pm)

(+2)162

Electronegativity

0.9

Melting Point (⁰C, 1 atm)

700

Electron Affinity (eV)

Not Available

Boiling Point(⁰C, 1 atm)

Not Available

1^st Ionization energy (eV)

5.28

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