Atomic Number: 44

Name: Ruthenium

Atomic symbol: Ru

Atomic Weight: 101.07

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d⁷5s¹

Ionization energies: 711 kJ/mol

Pauling electronegativity: 2.2

Melting Point: 2310^oC

Boiling Point: 3900^oC

Ionic radius: 0.68 angstroms (+4)