Template:Infobox tellurium

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Tellurium, 52Te
File:Tellurium2.jpg
Tellurium
उच्चारण/tɛˈljʊəriəm/ ​(te-LURE-ee-əm)
दिखावटsilvery lustrous gray (crystalline),
brown-black powder (amorphous)
Standard atomic weight Ar°(Te)
  • 127.60±0.03
  • 127.60±0.03 (abridged)[1]
Tellurium in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Se
↑
Te
↓
Po
antimony ← tellurium → iodine
Atomic number (Z)52
समूहgroup 16 (chalcogens)
अवधिperiod 5
ब्लॉक  p-block
ऋणावेशित सूक्ष्म अणु का विन्यास[Kr] 4d10 5s2 5p4
प्रति शेल इलेक्ट्रॉन2, 8, 18, 18, 6
भौतिक गुण
Phase at STPsolid
गलनांक722.66 K ​(449.51 °C, ​841.12 °F)
क्वथनांक1261 K ​(988 °C, ​1810 °F)
Density (near r.t.)6.24 g/cm3
when liquid (at m.p.)5.70 g/cm3
संलयन की गर्मी17.49 kJ/mol
Heat of vaporization114.1 kJ/mol
दाढ़ गर्मी क्षमता25.73 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K)   (775) (888) 1042 1266
परमाणु गुण
ऑक्सीकरण राज्य−2, −1, 0, +1, +2, +3, +4, +5, +6 (a mildly acidic oxide)
इलेक्ट्रोनगेटिविटीPauling scale: 2.1
Ionization energies
  • 1st: 869.3 kJ/mol
  • 2nd: 1790 kJ/mol
  • 3rd: 2698 kJ/mol
परमाणु का आधा घेराempirical: 140 pm
सहसंयोजक त्रिज्या138±4 pm
[वैन डेर वाल्स रेडियस]]206 pm
File:Tellurium spectrum visible.png
Spectral lines of tellurium
अन्य गुण
प्राकृतिक घटनाprimordial
क्रिस्टल की संरचना ​trigonal[2]
Speed of sound thin rod2610 m/s (at 20 °C)
थर्मल विस्तार18 µm/(m⋅K)[3] (at r.t.)
ऊष्मीय चालकता1.97–3.38 W/(m⋅K)
चुंबकीय आदेशdiamagnetic[4]
दाढ़ चुंबकीय संवेदनशीलता−39.5×10−6 cm3/mol (298 K)[5]
यंग मापांक43 GPa
कतरनी मापांक16 GPa
थोक मापांक65 GPa
मोहन कठोरता2.25
ब्रिनेल हार्डनेस180–270 MPa
CAS नंबर13494-80-9
History
नामीafter Roman Tellus, deity of the Earth
खोज]Franz-Joseph Müller von Reichenstein (1782)
पहला अलगावMartin Heinrich Klaproth
Main isotopes of tellurium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
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 β−β− 128Xe
129Te syn 69.6 min β− 129I
130Te 34.08% 7.9×1020 y β−β− 130Xe
Category Category: Tellurium
| references
  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Allotropes (demo)
Group (demo)
Period (demo)
Block (demo)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Wikidata *
Symbol etymology (11 non-trivial)
* Not used in {{Infobox element}} (2021-12-24)
See also Category:Infobox element data sets (0)

References

These references will appear in the article, but this list appears only on this page.
  1. ↑ "Standard Atomic Weights: Tellurium". CIAAW. 1969.
  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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