Tellurium, 52 File:Tellurium2.jpg उच्चारण (te-LURE -ee-əm दिखावट silvery lustrous gray (crystalline), Standard atomic weight A r °(Te) ± 0.03± 0.03[1]
Atomic number (Z ) 52 समूह group 16 (chalcogens) अवधि period 5 ब्लॉक p-block ऋणावेशित सूक्ष्म अणु का विन्यास [Kr ] 4d10 5s2 5p4 प्रति शेल इलेक्ट्रॉन 2, 8, 18, 18, 6 Phase at STP solid गलनांक 722.66 K (449.51 °C, 841.12 °F) क्वथनांक 1261 K (988 °C, 1810 °F) Density (near r.t. ) 6.24 g/cm3 when liquid (at m.p. ) 5.70 g/cm3 संलयन की गर्मी 17.49 kJ/mol Heat of vaporization 114.1 kJ/mol दाढ़ गर्मी क्षमता 25.73 J/(mol·K) Vapor pressure
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
(775)
(888)
1042
1266
ऑक्सीकरण राज्य −2 +2 +4 +6 acidic oxide)इलेक्ट्रोनगेटिविटी Pauling scale: 2.1 Ionization energies 1st: 869.3 kJ/mol 2nd: 1790 kJ/mol 3rd: 2698 kJ/mol परमाणु का आधा घेरा empirical: 140 pm सहसंयोजक त्रिज्या 138±4 pm [वैन डेर वाल्स रेडियस]] 206 pm Spectral lines of telluriumप्राकृतिक घटना primordial क्रिस्टल की संरचना trigonal [2] Speed of sound thin rod 2610 m/s (at 20 °C) थर्मल विस्तार 18 µm/(m⋅K)[3] r.t. ) ऊष्मीय चालकता 1.97–3.38 W/(m⋅K) चुंबकीय आदेश diamagnetic [4] दाढ़ चुंबकीय संवेदनशीलता × 10−6 3 /mol (298 K)[5] यंग मापांक 43 GPa कतरनी मापांक 16 GPa थोक मापांक 65 GPa मोहन कठोरता 2.25 ब्रिनेल हार्डनेस 180–270 MPa CAS नंबर 13494-80-9 नामी after Roman Tellus खोज ]Franz-Joseph Müller von Reichenstein (1782) पहला अलगाव Martin Heinrich Klaproth
Category Category: Tellurium references
Te: Script error: The module returned a nil value. It is supposed to return an export table.
in
calc from C
diff
report
ref
C
449.51
—
—
K
722.66
722.66
0
F
841.12
841.12
0
max precision
2
WD
Script error: The module returned a nil value. It is supposed to return an export table.
Script error: The module returned a nil value. It is supposed to return an export table.
input
C: 449.51, K: 722.66, F: 841.12
comment
Te: Script error: The module returned a nil value. It is supposed to return an export table.
in
calc from C
diff
report
ref
C
988
—
—
K
1261
1261
0
F
1810
1810
0
max precision
0
WD
Script error: The module returned a nil value. It is supposed to return an export table.
Script error: The module returned a nil value. It is supposed to return an export table.
input
C: 988, K: 1261, F: 1810
comment
References These references will appear in the article, but this list appears only on this page.
↑ "Standard Atomic Weights: Tellurium" . CIAAW . 1969.↑ 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 . ↑ Cverna, Fran (2002). "Ch. 2 Thermal Expansion". ASM Ready Reference: Thermal properties of metals (PDF) . ASM International. ISBN 978-0-87170-768-0 ↑ 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 ↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics . Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4 ↑ 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 . Lua error in Module:TNT at line 182: Missing Commons dataset I18n/Module:TNT.tab.
