| ngoi-kôn |
|---|
silvery white
 |
| Kî-pún sin-sit |
|---|
| Miàng,fù-ho | Erbium, Er |
|---|
| ngoi-hìn | silvery white |
|---|
| Erbium chhaichû-khì-péu ke vi-chi |
|---|
|
| ngièn-chṳ́ sì-sú | 68 |
|---|
| ngièn-chṳ́-liòng (±) | 167.259(3)[1] |
|---|
| ngièn-su lui-phe̍t | lanthanum-hi |
|---|
| Chhu̍k,fûn-khî | n/a,f-block |
|---|
| chû-khì | period 6 |
|---|
| thien-chṳ́ phài-lie̍t | [Xe] 4f12 6s2 |
|---|
| per shell | 2, 8, 18, 30, 8, 2 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông | ku-thí |
|---|
| yùng-tiám | 1802 K(1529 °C,2784 °F) |
|---|
| pui-tiám | 3141 K(2868 °C,5194 °F) |
|---|
| Me̍t-thunear Sit-vûn | 9.066 g·cm−3 |
|---|
| 8.86 g·cm−3 |
| Yùng-fa-ngie̍t | 19.90 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t | 280 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong | 28.12 J·mol−1·K−1 |
|---|
chîn-hi-ap| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k | | chhai T (K) | 1504 | 1663 | (1885) | (2163) | (2552) | (3132) |
|
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su | 3, 2, 1(a basic oxide) |
|---|
| Thien-fu-sin | Pauling scale: 1.24 |
|---|
| Thien-lì-nèn | 1st: 589.3 kJ·mol−1
2nd: 1150 kJ·mol−1
3rd: 2194 kJ·mol−1 |
|---|
| Ngièn-chṳ́ pan-kang | empirical:176 pm |
|---|
| Khiung-ka pan-kang | 189±6 pm |
|---|
| Miscellanea |
|---|
| Chîn-thí keu-chho | hexagonal close-packed (hcp) |
|---|
| Sâng-sukthin rod | 2830 m·s−1(at 20 °C) |
|---|
| Ngie̍t-phàng-chong | poly: 12.2 µm·m−1·K−1(r.t.) |
|---|
| Ngie̍t-chhòn-thô-li̍t | 14.5 W·m−1·K−1 |
|---|
| Thien-chú-li̍t | poly: 0.860 µΩ·m(r.t.) |
|---|
| Chhṳ̀-sin | paramagnetic at 300 K |
|---|
| Young's modulus | 69.9 GPa |
|---|
| Shear modulus | 28.3 GPa |
|---|
| Bulk modulus | 44.4 GPa |
|---|
| Poisson ratio | 0.237 |
|---|
| Vickers hardness | 430–700 MPa |
|---|
| Brinell hardness | 600–1070 MPa |
|---|
| CAS Registry Number | 7440-52-0 |
|---|
| Le̍k-sú |
|---|
| Hí-miàng | afterYtterby (Sweden), where it was mined |
|---|
| Fat-hien | Carl Gustaf Mosander(1842) |
|---|
| Chui vún-thin ke thùng-vi-su |
|---|
| Chú vùn-chông:Erbium ke thùng-vi-su |
| iso | NA | half-life | DM | DE (MeV) | DP |
|---|
| 160Er | syn | 28.58 h | ε | 0.330 | 160Ho | | 162Er | 0.139% | >1.4×1014 y | (α) | 1.6460 | 158Dy | | (β+β+) | 1.8445 | 162Dy | | 164Er | 1.601% | – | (α) | 1.3041 | 160Dy | | (β+β+) | 0.0241 | 164Dy | | 165Er | syn | 10.36 h | ε | 0.376 | 165Ho | | 166Er | 33.503% | – | (α) | 0.8309 | 162Dy | | 167Er | 22.869% | – | (α) | 0.6657 | 163Dy | | 168Er | 26.978% | – | (α) | 0.5527 | 164Dy | | 169Er | syn | 9.4 d | β− | 0.351 | 169Tm | | 170Er | 14.910% | >3.2×1017 y | (α) | 0.0502 | 166Dy | | (β−β−) | 0.6536 | 170Yb | | 171Er | syn | 7.516 h | β− | 1.490 | 171Tm | | 172Er | syn | 49.3 h | β− | 0.891 | 172Tm |
|
| Decay modes in parentheses are predicted, but have not yet been observed |
