Ytterbium, 70Yb|
silvery white; with a pale yellow tint[1]
 |
|
| Miàng, fù-ho | Ytterbium, Yb |
|---|
| ngoi-hìn | silvery white; with a pale yellow tint[2] |
|---|
|
|
| ngièn-chṳ́ sì-sú | 70 |
|---|
| ngièn-chṳ́-liòng (±) | 173.045(10)[3] |
|---|
| ngièn-su lui-phe̍t | lanthanum-hi |
|---|
| 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 |
|---|
| per shell | 2, 8, 18, 32, 8, 2 |
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|
| Siông | ku-thí |
|---|
| 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 |
|---|
| Chîn-fat-ngie̍t | 129 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong | 26.74 J·mol−1·K−1 |
|---|
chîn-hi-ap
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| chhai T (K) |
736 |
813 |
910 |
1047 |
(1266) |
(1465) |
|
|
| Yông-fa-su | 3, 2, 1 (a basic oxide) |
|---|
| 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 |
|---|
|
| 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.) |
|---|
| 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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|
| 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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|
| Chú vùn-chông: Ytterbium ke thùng-vi-su |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 166Yb |
syn |
56.7 h |
ε |
0.304 |
166Tm |
| 168Yb |
0.13% |
>1.3×1014 y |
(α) |
1.9508 |
164Er |
| (β+β+) |
1.4221 |
168Er |
| 169Yb |
syn |
32.026 d |
ε |
0.909 |
169Tm |
| 170Yb |
3.04% |
– |
(α) |
1.7376 |
166Er |
| 171Yb |
14.28% |
– |
(α) |
1.5589 |
167Er |
| 172Yb |
21.83% |
– |
(α) |
1.3103 |
168Er |
| 173Yb |
16.13% |
– |
(α) |
0.9459 |
169Er |
| 174Yb |
31.83% |
– |
(α) |
0.7401 |
170Er |
| 175Yb |
syn |
4.185 d |
β− |
0.470 |
175Lu |
| 176Yb |
12.76% |
>1.6×1017 y |
(α) |
0.570 |
172Er |
| (β−β−) |
1.083 |
176Hf |
| 177Yb |
syn |
1.911 h |
β− |
1.399 |
177Lu |
|
| Decay modes in parentheses are predicted, but have not yet been observed |
Ytterbium (Hon-ngî: 鐿 yì) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Yb, ngièn-chṳ́ su-muk he 70.
