- Atomic Mass: 91.224
- Electronegativity:
- Pauling: 1.33
- Allred: 1.22
- Absolute: 3.64 eV
- Electron Affinity: 41.1 kJ mol-1
- Polarizability: 17.9 Å3
- Effective Nuclear Charge:
- Slater: 3.15
- Clementi: 6.45
- Froese Fischer: 9.2
- Radius:
- Zr 2 +: 109 pm
- Zr 4 +: 87 pm
- Atomic: 160 pm
- Covalent: 145 pm
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- Successive Ionization Energies:
- Zr -› Zr + : 660 kJ mol-1
- Zr+1 -› Zr+2 : 1267 kJ mol-1
- Zr+2 -› Zr+3 : 2218 kJ mol-1
- Zr+3 -› Zr+4 : 3313 kJ mol-1
- Zr+4 -› Zr+5 : 7860 kJ mol-1
- Zr+5 -› Zr+6 : (9500) kJ mol-1
- Zr+6 -› Zr+7 : (11200) kJ mol-1
- Zr+7 -› Zr+8 : (13800) kJ mol-1
- Zr+8 -› Zr+9 : (15700) kJ mol-1
- Zr+9 -› Zr+10 : (17500) kJ mol-1
- Common Ions : Zr 2 +, Zr 4 +
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