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Erbium, 68Er |
|
| Miâ, hû-hō | erbium, Er |
|---|
| Gōa-hêng | silvery white |
|---|
|
|
|
| Goân-chú-hoan | 68 |
|---|
| Goân-chú-liōng (±) | 167.259(3)[1] |
|---|
| Goân-sò͘ lūi-pia̍t | lanthanum-hē |
|---|
| Cho̍k, hun-khu | n/a, f khu |
|---|
| Chiu-kî | tē 6 chiu-kî |
|---|
| Tiān-chú pâi-lia̍t | [Xe] 4f12 6s2 |
|---|
| per shell | 2, 8, 18, 30, 8, 2 |
|---|
|
| Siòng | solid |
|---|
| Iûⁿ-tiám | 1802 K (1529 °C, 2784 °F) |
|---|
| Hut-tiám | 3141 K (2868 °C, 5194 °F) |
|---|
| Bi̍t-tō͘ (sek-un) | 9.066 g·cm−3 |
|---|
| 8.86 g·cm−3 |
| Iûⁿ-hoà-jia̍t | 19.90 kJ·mol−1 |
|---|
| Cheng-hoat-jia̍t | 280 kJ·mol−1 |
|---|
| Jia̍t-iông-liōng | 28.12 J·mol−1·K−1 |
|---|
cheng-khì-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| tī T (K)
|
1504
|
1663
|
(1885)
|
(2163)
|
(2552)
|
(3132)
| |
|
| Sng-hòa-sò͘ | 3, 2, 1 (a basic oxide) |
|---|
| Tiān-hū-tō͘ | Pauling scale: 1.24 |
|---|
| Tiān-lī-lêng | 1st: 589.3 kJ·mol−1
2nd: 1150 kJ·mol−1
3rd: 2194 kJ·mol−1 |
|---|
| Goân-chú pòaⁿ-kèng | empirical: 176 pm |
|---|
| Kiōng-kè pòaⁿ-kèng | 189±6 pm |
|---|
|
| Chiⁿ-thé kò͘-chō | hexagonal close-packed (hcp) |
|---|
| Siaⁿ-sok (sòe kùn-á) | 2830 m·s−1 (at 20 °C) |
|---|
| Jia̍t-phòng-tiòng | poly: 12.2 µm·m−1·K−1 (r.t.) |
|---|
| Jia̍t-thoân-tō-lu̍t | 14.5 W·m−1·K−1 |
|---|
| Tiān-chó͘-lu̍t | poly: 0.860 µΩ·m (r.t.) |
|---|
| Chû-sèng | paramagnetic at 300 K |
|---|
| Young hē-sò͘ | 69.9 GPa |
|---|
| Shear hē-sò͘ | 28.3 GPa |
|---|
| Bulk hē-sò͘ | 44.4 GPa |
|---|
| Poisson pí | 0.237 |
|---|
| Vickers ngē-tō͘ | 430–700 MPa |
|---|
| Brinell ngē-tō͘ | 600–1070 MPa |
|---|
| CAS teng-kì pian-hō | 7440-52-0 |
|---|
|
| Hō-miâ | after Ytterby (Sweden), where it was mined |
|---|
| Hoat-hiān | Carl Gustaf Mosander (1842) |
|---|
|
| Chú bûn-chiong: erbium ê tông-ūi-sò͘ |
| 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 |
Erbium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 68, hoà-ha̍k hû-hō sī Er.
