Template:Infobox tellurium

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[[Category:Template:Pagetype with short description]]

Tellurium, 52Te
Tellurium2.jpg
Tellurium
Pronunciation/tɪˈljʊəriəm/ (Template:Respell)
Appearancesilvery lustrous gray (crystalline),
brown-black powder (amorphous)
Standard atomic weight Ar, std(Te)Template:Val[1]
Tellurium in the periodic table
Template:Periodic table (32 columns, micro) Se

Te

Po
antimonytelluriumiodine
Atomic number (Z)52
Groupgroup 16 (chalcogens)
Periodperiod 5
Block  p-block
Electron configuration[Kr] 4d10 5s2 5p4
Electrons per shell2, 8, 18, 18, 6
Physical properties
Phase at STPsolid
Melting point722.66 K ​(449.51 °C, ​841.12 °F)
Boiling point1261 K ​(988 °C, ​1810 °F)
Density (near r.t.)6.24 g/cm3
when liquid (at m.p.)5.70 g/cm3
Heat of fusion17.49 kJ/mol
Heat of vaporization114.1 kJ/mol
Molar heat capacity25.73 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K)   (775) (888) 1042 1266
Atomic properties
Oxidation states−2, −1, +1, +2, +3, +4, +5, +6 (a mildly acidic oxide)
ElectronegativityPauling scale: 2.1
Ionization energies
  • 1st: 869.3 kJ/mol
  • 2nd: 1790 kJ/mol
  • 3rd: 2698 kJ/mol
Atomic radiusempirical: 140 pm
Covalent radius138±4 pm
Van der Waals radius206 pm
Color lines in a spectral range
Spectral lines of tellurium
Other properties
Natural occurrenceprimordial
Crystal structuretrigonal[2]
Trigonal crystal structure for tellurium
Speed of sound thin rod2610 m/s (at 20 °C)
Thermal expansion18 µm/(m·K)[3] (at r.t.)
Thermal conductivity1.97–3.38 W/(m·K)
Magnetic orderingdiamagnetic[4]
Magnetic susceptibility−39.5·10−6 cm3/mol (298 K)[5]
Young's modulus43 GPa
Shear modulus16 GPa
Bulk modulus65 GPa
Mohs hardness2.25
Brinell hardness180–270 MPa
CAS Number13494-80-9
History
Namingafter Roman Tellus, deity of the Earth
DiscoveryFranz-Joseph Müller von Reichenstein (1782)
First isolationMartin Heinrich Klaproth
Main isotopes of tellurium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
120Te 0.09% stable
121Te syn 16.78 d ε 121Sb
122Te 2.55% stable
123Te 0.89%[6] stable
124Te 4.74% stable
125Te 7.07% stable
126Te 18.84% stable
127Te syn 9.35 h β 127I
128Te 31.74% 2.2×1024 y ββ 128Xe
129Te syn 69.6 min β 129I
130Te 34.08% 7.9×1020 y ββ 130Xe
Category Category: Tellurium
| references

[[Category:Infobox templates|Template:Remove first word]]

data m.p. cat
in calc from C diff report ref
C 449.51
K 722.66 722.66 0
F 841.12 841.12 0 Template:Subpage other
max precision 2
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 449.51, K: 722.66, F: 841.12
comment
data b.p. cat
in calc from C diff report ref
C 988
K 1261 1261 0
F 1810 1810 0 Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 988, K: 1261, F: 1810
comment
Sb ←

i'box Sb

iso
52
Te (E)
→ I

i'box I

  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03)
See also {{Infobox element/symbol-to--navbox}}

References

  1. Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. Adenis, C.; Langer, V.; Lindqvist, O. (15 June 1989). "Reinvestigation of the structure of tellurium". Acta Crystallographica Section C Crystal Structure Communications. 45 (6): 941–942. doi:10.1107/S0108270188014453.
  3. Cverna, Fran (2002). "Ch. 2 Thermal Expansion". ASM Ready Reference: Thermal properties of metals (PDF). ASM International. ISBN 978-0-87170-768-0.
  4. Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  5. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
  6. Alessandrello, A.; Arnaboldi, C.; Brofferio, C.; Capelli, S.; Cremonesi, O.; Fiorini, E.; Nucciotti, A.; Pavan, M.; Pessina, G.; Pirro, S.; Previtali, E.; Sisti, M.; Vanzini, M.; Zanotti, L.; Giuliani, A.; Pedretti, M.; Bucci, C.; Pobes, C. (2003). "New limits on naturally occurring electron capture of 123Te". Physical Review C. 67: 014323. arXiv:hep-ex/0211015. Bibcode:2003PhRvC..67a4323A. doi:10.1103/PhysRevC.67.014323.

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