Ytterbium, 70 File:Ytterbium-3.jpg उच्चारण (ih-TUR -bee-əm दिखावट silvery white; with a pale yellow tint[1] Standard atomic weight A r °(Yb) ± 0.010± 0.02[2]
Atomic number (Z ) 70 समूह group n/a अवधि period 6 ब्लॉक f-block ऋणावेशित सूक्ष्म अणु का विन्यास [Xe ] 4f14 6s2 प्रति शेल इलेक्ट्रॉन 2, 8, 18, 32, 8, 2 Phase at STP solid गलनांक 1097 K (824 °C, 1515 °F) क्वथनांक 1469 K (1196 °C, 2185 °F) Density (near r.t. ) 6.90 g/cm3 when liquid (at m.p. ) 6.21 g/cm3 संलयन की गर्मी 7.66 kJ/mol Heat of vaporization 129 kJ/mol दाढ़ गर्मी क्षमता 26.74 J/(mol·K) Vapor pressure
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
736
813
910
1047
(1266)
(1465)
ऑक्सीकरण राज्य 0,[3] [4] +3 basic oxide) इलेक्ट्रोनगेटिविटी Pauling scale: 1.1 (?) Ionization energies 1st: 603.4 kJ/mol 2nd: 1174.8 kJ/mol 3rd: 2417 kJ/mol परमाणु का आधा घेरा empirical: 176 pm सहसंयोजक त्रिज्या 187±8 pm Spectral lines of ytterbiumप्राकृतिक घटना primordial क्रिस्टल की संरचना face-centered cubic (fcc) Speed of sound thin rod 1590 m/s (at 20 °C) थर्मल विस्तार β, poly: 26.3 µm/(m⋅K) (r.t. ) ऊष्मीय चालकता 38.5 W/(m⋅K) विद्युत प्रतिरोधकता β, poly: 0.250 µΩ⋅m (at r.t. ) चुंबकीय आदेश paramagnetic दाढ़ चुंबकीय संवेदनशीलता × 10−6 3 /mol (2928 K)[5] यंग मापांक β form: 23.9 GPa कतरनी मापांक β form: 9.9 GPa थोक मापांक β form: 30.5 GPa पॉइसन अनुपात β form: 0.207 विकर्स कठोरता 205–250 MPa ब्रिनेल हार्डनेस 340–440 MPa CAS नंबर 7440-64-4 नामी after Ytterby (Sweden), where it was mined खोज ]Jean Charles Galissard de Marignac (1878) पहला अलगाव Carl Auer von Welsbach (1906)
Category Category: Ytterbium references
Yb: Script error: The module returned a nil value. It is supposed to return an export table.
in
calc from C
diff
report
ref
C
824
—
—
K
1097
1097
0
F
1515
1515
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: 824, K: 1097, F: 1515
comment
Yb: Script error: The module returned a nil value. It is supposed to return an export table.
in
calc from C
diff
report
ref
C
1196
—
—
K
1469
1469
0
F
2185
2185
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: 1196, K: 1469, F: 2185
comment
References These references will appear in the article, but this list appears only on this page.
↑ Greenwood, Norman N. ; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann . p. 112. ISBN 978-0-08-037941-8 ↑ "Standard Atomic Weights: Ytterbium" . CIAAW . 2015.↑ 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.
