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ZirconiumZr Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 1 Electron 2

Zirconium is a chemical element with symbol Zr and atomic number 40. The name of zirconium is taken from the name of the mineral zircon, the most important source of zirconium. The word zircon comes from the Persian word zargun زرگون, meaning "gold-colored".

40 Atomic Number
91.22  u Atomic Mass
2125.15  K Melting Point
4682  K Boiling Point
6.52  g/cm³ Density
2.2  Å Atomic Radius
1.75  Å Covalent Radius
1.33 Electronegativity
6.63  eV First Ionization Energy
41.81 Electron Affinity
5 Number of Shells
2, 8, 18, 10, 2 Electron Shell Occupations
0.28  J/g Specific Heat