Terbium, 65 File:Terbium-2.jpg उच्चारण (TUR -bee-əm दिखावट silvery white Standard atomic weight A r °(Tb) 354 ± 0.000007 ± 0.01[1]
Atomic number (Z ) 65 समूह group n/a अवधि period 6 ब्लॉक f-block ऋणावेशित सूक्ष्म अणु का विन्यास [Xe ] 4f9 6s2 प्रति शेल इलेक्ट्रॉन 2, 8, 18, 27, 8, 2 Phase at STP solid गलनांक 1629 K (1356 °C, 2473 °F) क्वथनांक 3396 K (3123 °C, 5653 °F) Density (near r.t. ) 8.23 g/cm3 when liquid (at m.p. ) 7.65 g/cm3 संलयन की गर्मी 10.15 kJ/mol Heat of vaporization 391 kJ/mol दाढ़ गर्मी क्षमता 28.91 J/(mol·K) Vapor pressure
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
1789
1979
(2201)
(2505)
(2913)
(3491)
ऑक्सीकरण राज्य 0,[2] [3] +3 basic oxide) इलेक्ट्रोनगेटिविटी Pauling scale: 1.2 (?) Ionization energies 1st: 565.8 kJ/mol 2nd: 1110 kJ/mol 3rd: 2114 kJ/mol परमाणु का आधा घेरा empirical: 177 pm सहसंयोजक त्रिज्या 194±5 pm Spectral lines of terbiumप्राकृतिक घटना primordial क्रिस्टल की संरचना hexagonal close-packed (hcp) Speed of sound thin rod 2620 m/s (at 20 °C) थर्मल विस्तार at r.t. α, poly: 10.3 µm/(m⋅K) ऊष्मीय चालकता 11.1 W/(m⋅K) विद्युत प्रतिरोधकता α, poly: 1.150 µΩ⋅m (at r.t. ) चुंबकीय आदेश paramagnetic at 300 K दाढ़ चुंबकीय संवेदनशीलता 000 × 10−6 3 /mol (273 K)[4] यंग मापांक α form: 55.7 GPa कतरनी मापांक α form: 22.1 GPa थोक मापांक α form: 38.7 GPa पॉइसन अनुपात α form: 0.261 विकर्स कठोरता 450–865 MPa ब्रिनेल हार्डनेस 675–1200 MPa CAS नंबर 7440-27-9 नामी after Ytterby (Sweden), where it was mined खोज और पहला अलगावCarl Gustaf Mosander (1843)
Category Category: Terbium references
Tb: Script error: The module returned a nil value. It is supposed to return an export table.
in
calc from C
diff
report
ref
C
1356
—
—
K
1629
1629
0
F
2473
2473
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: 1356, K: 1629, F: 2473
comment
Tb: Script error: The module returned a nil value. It is supposed to return an export table.
in
calc from C
diff
report
ref
C
3123
—
—
K
3396
3396
0
F
5653
5653
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: 3123, K: 3396, F: 5653
comment
References These references will appear in the article, but this list appears only on this page.
↑ "Standard Atomic Weights: Terbium" . CIAAW . 2021.↑ Yttrium and all lanthanides except Ce and Pm have been observed in the oxidation state 0 in bis(1,3,5-tri-t-butylbenzene) complexes, see Cloke, F. Geoffrey N. (1993). "Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides". Chem. Soc. Rev . 22 : 17–24. doi :10.1039/CS9932200017 . Arnold, Polly L.; Petrukhina, Marina A.; Bochenkov, Vladimir E.; Shabatina, Tatyana I.; Zagorskii, Vyacheslav V.; Cloke (2003-12-15). "Arene complexation of Sm, Eu, Tm and Yb atoms: a variable temperature spectroscopic investigation". Journal of Organometallic Chemistry . 688 (1–2): 49–55. doi :10.1016/j.jorganchem.2003.08.028 .
↑ La(I), Pr(I), Tb(I), Tm(I), and Yb(I) have been observed in MB8 − clusters; see Li, Wan-Lu; Chen, Teng-Teng; Chen, Wei-Jia; Li, Jun; Wang, Lai-Sheng (2021). "Monovalent lanthanide(I) in borozene complexes" . Nature Communications . 12 : 6467. doi :10.1038/s41467-021-26785-9 .
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics . Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4 Lua error in Module:TNT at line 182: Missing Commons dataset I18n/Module:TNT.tab.
