Atomic Symbol: Te
Atomic Number: 52
Atomic Weight: 127.60
Isotopes and Abundances: 120Te 0.09%, 122Te 2.55%, 123Te 0.89%, 124Te 4.74%, 125Te 7.07%, 126Te 18.84%, 128Te 31.74%, 130Te 34.08%
1 Atm Melting Point: 450 °C
1 Atm Boiling Point: 990 °C
Common Valences: 2−, 4+, 6+, 0
Ionic Radii: sixfold Te2− 221 pm, Te4+ 97 pm, Te6+ 56 pm; covalent: 137 pm
Pauling Electronegativity: 2.1
First Ionization Energy: 869.3 kJ
Chondritic (CI) Abundance: 2.28 ppma
Silicate Earth Abundance: 9 ppba
Crustal Abundance: 5 ppbb
Seawater Abundance: ~2 ng/L
Core Abundance: 0.85 ppmc
aPalme and O’Neill (2014)
bWedepohl (1995)
cMcDonough (2014)
Properties
Tellurium (Te) is one of the chalcophile elements that belong to group 16 in the periodic table and has an electronic configuration of [Kr]4d105s25p4. There are eight stable isotopes from 120Te to 130Te. It is expected that 126Te is enriched relative to other isotopes because of the decay of the short-lived nuclide tin 126 (half-life:...
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Takahashi, Y. (2017). Tellurium. In: White, W. (eds) Encyclopedia of Geochemistry. Encyclopedia of Earth Sciences Series. Springer, Cham. https://doi.org/10.1007/978-3-319-39193-9_288-1
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DOI: https://doi.org/10.1007/978-3-319-39193-9_288-1
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