Atomic Number: 88

Name: Radium

Atomic symbol: Ra

Atomic Weight: 226.0254

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f¹⁴5d¹⁰6s²6p⁶7s²

Pauling electronegativity: 0.9

Melting Point: 700^oC

Boiling Point: 1140^oC

Ionic radius: 1.43 angstroms (+2)