Ytterbium (Hon-ngî: 鐿 yì) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Yb, ngièn-chṳ́ su-muk he 70.
Ytterbium, 70Ybngoi-kôn |
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silvery white; with a pale yellow tint[1]
![](http://178.128.105.246/host-http-upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Ytterbium-3.jpg/250px-Ytterbium-3.jpg) |
Kî-pún sin-sit |
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Miàng, fù-ho |
Ytterbium, Yb |
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ngoi-hìn |
silvery white; with a pale yellow tint[1] |
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Ytterbium chhai chû-khì-péu ke vi-chi |
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|
ngièn-chṳ́ sì-sú |
70 |
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ngièn-chṳ́-liòng (±) |
173.045(10)[2] |
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ngièn-su lui-phe̍t |
lanthanum-hi |
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Chhu̍k, fûn-khî |
n/a, f-block |
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chû-khì |
period 6 |
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thien-chṳ́ phài-lie̍t |
[Xe] 4f14 6s2 |
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per shell |
2, 8, 18, 32, 8, 2 |
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vu̍t-lî sin-chṳt |
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Siông |
ku-thí |
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yùng-tiám |
1097 K (824 °C, 1515 °F) |
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pui-tiám |
1469 K (1196 °C, 2185 °F) |
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Me̍t-thu near Sit-vûn |
6.90 g·cm−3 |
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6.21 g·cm−3 |
Yùng-fa-ngie̍t |
7.66 kJ·mol−1 |
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Chîn-fat-ngie̍t |
129 kJ·mol−1 |
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Ngie̍t-yùng-liong |
26.74 J·mol−1·K−1 |
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chîn-hi-ap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
chhai T (K)
|
736
|
813
|
910
|
1047
|
(1266)
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(1465)
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Ngièn-chṳ́ sin-chṳt |
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Yông-fa-su |
3, 2, 1 (a basic oxide) |
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Thien-fu-sin |
Pauling scale: 1.1 (?) |
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Thien-lì-nèn |
1st: 603.4 kJ·mol−1 2nd: 1174.8 kJ·mol−1 3rd: 2417 kJ·mol−1 |
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Ngièn-chṳ́ pan-kang |
empirical: 176 pm |
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Khiung-ka pan-kang |
187±8 pm |
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Miscellanea |
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Chîn-thí keu-chho |
face-centered cubic (fcc) |
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Sâng-suk thin rod |
1590 m·s−1 (at 20 °C) |
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Ngie̍t-phàng-chong |
β, poly: 26.3 µm·m−1·K−1 (r.t.) |
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Ngie̍t-chhòn-thô-li̍t |
38.5 W·m−1·K−1 |
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Thien-chú-li̍t |
β, poly: 0.250 µΩ·m (at r.t.) |
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Chhṳ̀-sin |
paramagnetic |
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Young's modulus |
β form: 23.9 GPa |
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Shear modulus |
β form: 9.9 GPa |
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Bulk modulus |
β form: 30.5 GPa |
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Poisson ratio |
β form: 0.207 |
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Vickers hardness |
205–250 MPa |
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Brinell hardness |
340–440 MPa |
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CAS Registry Number |
7440-64-4 |
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Le̍k-sú |
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Hí-miàng |
after Ytterby (Sweden), where it was mined |
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Fat-hien |
Jean Charles Galissard de Marignac (1878) |
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First isolation |
Georges Urbain (1907) |
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Chui vún-thin ke thùng-vi-su |
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Chú vùn-chông: Ytterbium ke thùng-vi-su |
iso
|
NA
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half-life
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DM
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DE (MeV)
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DP
|
166Yb
|
syn
|
56.7 h
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ε
|
0.304
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166Tm
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168Yb
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0.13%
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>1.3×1014 y
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(α)
|
1.9508
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164Er
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(β+β+)
|
1.4221
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168Er
|
169Yb
|
syn
|
32.026 d
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ε
|
0.909
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169Tm
|
170Yb
|
3.04%
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–
|
(α)
|
1.7376
|
166Er
|
171Yb
|
14.28%
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–
|
(α)
|
1.5589
|
167Er
|
172Yb
|
21.83%
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–
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(α)
|
1.3103
|
168Er
|
173Yb
|
16.13%
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–
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(α)
|
0.9459
|
169Er
|
174Yb
|
31.83%
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–
|
(α)
|
0.7401
|
170Er
|
175Yb
|
syn
|
4.185 d
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β−
|
0.470
|
175Lu
|
176Yb
|
12.76%
|
>1.6×1017 y
|
(α)
|
0.570
|
172Er
|
(β−β−)
|
1.083
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176Hf
|
177Yb
|
syn
|
1.911 h
|
β−
|
1.399
|
177Lu
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Decay modes in parentheses are predicted, but have not yet been observed |