- Atomic Mass: 127.6
- Electronegativity:
- Pauling: 2.1
- Allred: 2.01
- Absolute: 5.49 eV
- Electron Affinity: 190.2 kJ mol-1
- Polarizability: 5.5 Å3
- Effective Nuclear Charge:
- Slater: 6.95
- Clementi: 10.81
- Froese Fischer: 13.51
- Radius:
- Te 4 +: 97 pm
- Te 6 +: 56 pm
- Atomic: 143.2 pm
- Covalent: 137 pm
- Van der Waals: 220 pm
- Te 2 -: 211 pm
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- Successive Ionization Energies:
- Te -› Te + : 869.2 kJ mol-1
- Te+1 -› Te+2 : 1795 kJ mol-1
- Te+2 -› Te+3 : 2698 kJ mol-1
- Te+3 -› Te+4 : 3610 kJ mol-1
- Te+4 -› Te+5 : 5668 kJ mol-1
- Te+5 -› Te+6 : 6822 kJ mol-1
- Te+6 -› Te+7 : 13200 kJ mol-1
- Te+7 -› Te+8 : (15800) kJ mol-1
- Te+8 -› Te+9 : (18500) kJ mol-1
- Te+9 -› Te+10 : (21200) kJ mol-1
- Common Ions : Te 4 +, Te 6 +, Te 2 -
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