Atomic Number: 40

Name: Zirconium

Symbol: Zr

Atomic Weight: 91.224

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d²5s²

Ionization energies: 660 kJ/mol

Pauling electronegativity: 1.4

Melting Point: 1852^oC

Boiling Point: 4377^oC

Ionic radius: 1.09 angstroms (+1); 0.79 angstroms (+4)