Eegenskapen
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Algemian
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Nööm, Symbool, Numer
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Teluur, Te, 52
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Seerie
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Hualewmetal
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Skööl, Periode, Blook
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16, 5, p
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Klöör, Skak
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salwer-witj metalen
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CAS-Numer
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13494-80-9
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Uundial
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0,01 ppm[1]
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Atomaar [2]
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Atoommase
|
127,60(3)[3] u
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Atoomraadius (bereegent)
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140 (123) pm
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Kovalent-Raadius
|
138 pm
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Van der Waals-Raadius
|
206 pm
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Elektroonen
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[Kr] 4d10 5s2 5p4
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1. Ionisiarang
|
869,3 kJ/mol
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2. Ionisiarang
|
1790 kJ/mol
|
3. Ionisiarang
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2698 kJ/mol
|
4. Ionisiarang
|
3610 kJ/mol
|
5. Ionisiarang
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5668 kJ/mol
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6. Ionisiarang
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6820 kJ/mol
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Füsikaalisk [2]
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Tustant
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fääst
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Feranrangen
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kristaliin an amorf
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Kristal
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triigonaal
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Sachthaid
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6,24 g/cm3
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Hardhaid
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2,25
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Magnetismus
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diamagneetisk (Χm = −2,4 · 10−5)[4]
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Smoltponkt
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722,66 K (449,51 °C)
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Köögponkt
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1263 K[5] K (990 °C)
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Molaar Rüm
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20,46 · 10−6 m3/mol
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Dampwaremk
|
114 kJ/mol[5] kJ/mol
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Smoltwaremk
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17,5 kJ/mol
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Faard faan a tuun
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2610 m/s bi 293,15 K
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Elektrisk struumfeerang
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1 · 104 A/(V · m)
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Waremkfeerang
|
3 W/(m · K)
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Cheemisk [2]
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Oksidatsionstustant
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−2, (±1), 2, 4, 6
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Oksiiden
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TeO2, TeO3
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Sür of baasisk
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lacht sür
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Normoolpotentiaal
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−1,143 V (Te + 2 e− → Te2−)[6]
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Elektronegatiwiteet
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2,1 (Pauling-Skala)
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Isotoopen
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Isotoop
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NH
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t1/2
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Aktiwiteet
|
Energii (MeV)
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Produkt
| 120Te |
0,096 %
| 2,2 · 1016 a | ε ε | 1,701 | 120Sn |
121Te |
{syn.}
| 16,78 d | ε | 1,040 | 121Sb |
121metaTe |
{syn.}
| 154 d | IT | 0,294 | 121Te | ε | 1,334 | 121Sb |
122Te |
2,603 %
|
stabiil |
123Te |
0,908 %
| >1 · 1013 a | ε | 0,051 | 123Sb |
124Te |
4,816 %
|
stabiil |
125Te |
7,139 %
|
stabiil |
126Te |
18,952 %
|
stabiil |
127Te |
{syn.}
| 9,35 h | β− | 0,698 | 127I |
127metaTe |
{syn.}
| 109 d | IT | 0,088 | 127Te | β− | 0,786 | 127I |
128Te |
31,687 %
| 7,2 · 1024 a | β−β− | 0,867 | 128Xe |
129Te |
{syn.}
| 69,6 min | β− | 1,498 | 129I |
129metaTe |
{syn.}
| 33,6 d | IT | 0,106 | 129Te | β− | 1,604 | 129I |
130Te |
33,799 %
| 7,9 · 1020 a | β−β− | 2,528 | 130Xe |
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Muar isotoopen bi List faan isotoopen
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NMR-Eegenskapen
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Seekerhaid
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|
Miast wurd SI-ianhaiden brükt.
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Teluur (lat. tellus „eerd“) as en raar cheemisk element mä det ufkörtang Te an det atoomnumer 52. Hat as en hualewmetal.
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SIMS-spektrum faan a
isotoopen
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Elektroonenskel
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Teluur-kristal
-
Rian teluur
Teluriiden
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Diteluriiden
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Chalkogeniiden
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Te(IV)-mineraalen
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Hessit Ag2Te
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Calaverit AuTe2
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Nagyágit AuPb(Pb,Sb,Bi)Te2–3S6
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Tellurit TeO2
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Altait PbTe
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Sylvanit (Au,Ag)Te2
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Tetradymit Bi2Te2S
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Zemannit Mg0,5ZnFe[TeO3]3•4,5 H2O
|
- ↑ Harry H. Binder: Lexikon der chemischen Elemente. S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3.
- ↑ A taalen för't infobox kem miast faan www.webelements.com (Tellur) .
- ↑ CIAAW, Standard Atomic Weights Revised 2013.
- ↑ Robert C. Weast (Hrsg.): CRC Handbook of Chemistry and Physics. CRC (Chemical Rubber Publishing Company), Boca Raton 1990, ISBN 0-8493-0470-9, S. E-129 bit E-145. Wäärser diar uun g/mol an uun cgs-ianhaiden. Amreegent tu SI-wäärs.
- ↑ 5,0 5,1 Yiming Zhang, Julian R. G. Evans, Shoufeng Yang: Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. Uun: Journal of Chemical & Engineering Data. 56, 2011, S. 328–337, doi:10.1021/je1011086.
- ↑ Allen J. Bard, Roger Parsons, Joseph Jordan: Standard Potentials in Aqueous Solution. Marcel Dekker, New York 1985, ISBN 0-8247-7291-1.
- ↑ 7,0 7,1 7,2 7,3 R. K. Harris, E. D. Becker, S. M. Cabral de Menezes, R. Goodfellow, P. Granger: NMR Nomenclature. Nuclear spin properties and conventions for chemical shifts (IUPAC Recommendations 2001). In: Pure Applied Chemistry. Band 73, Nr. 11, 2001, S. 1795–1818. (PDF; 325 kB).
- ↑ 8,0 8,1 Iindraanj tu Tellur uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 30. April 2017 (mä JavaScript).