Gadolinium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 64, hoà-ha̍k hû-hō sī Gd.
Gadolinium, 64Gd |
| Ki-pún sèng-chit |
|---|
| Miâ, hû-hō | gadolinium, Gd |
|---|
| Gōa-hêng | silvery white |
|---|
| Gadolinium tī chiu-kî-piáu lāi ê ūi-tì |
|---|
|
|
| Goân-chú-hoan | 64 |
|---|
| Goân-chú-liōng (±) | 157.25(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] 4f7 5d1 6s2 |
|---|
| per shell | 2, 8, 18, 25, 9, 2 |
|---|
| Bu̍t-lí sèng-chit |
|---|
| Siòng | solid |
|---|
| Iûⁿ-tiám | 1585 K (1312 °C, 2394 °F) |
|---|
| Hut-tiám | 3273 K (3000 °C, 5432 °F) |
|---|
| Bi̍t-tō͘ (sek-un) | 7.90 g·cm−3 |
|---|
| 7.4 g·cm−3 |
| Iûⁿ-hoà-jia̍t | 10.05 kJ·mol−1 |
|---|
| Cheng-hoat-jia̍t | 301.3 kJ·mol−1 |
|---|
| Jia̍t-iông-liōng | 37.03 J·mol−1·K−1 |
|---|
cheng-khì-ap (calculated)
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| tī T (K)
|
1836
|
2028
|
2267
|
2573
|
2976
|
3535
| |
| Goân-chú sèng-chit |
|---|
| Sng-hòa-sò͘ | 1, 2, 3 (a mildly basic oxide) |
|---|
| Tiān-hū-tō͘ | Pauling scale: 1.20 |
|---|
| Tiān-lī-lêng | 1st: 593.4 kJ·mol−1
2nd: 1170 kJ·mol−1
3rd: 1990 kJ·mol−1 |
|---|
| Goân-chú pòaⁿ-kèng | empirical: 180 pm |
|---|
| Kiōng-kè pòaⁿ-kèng | 196±6 pm |
|---|
| Cha̍p-lio̍k |
|---|
| Chiⁿ-thé kò͘-chō | hexagonal close-packed (hcp) |
|---|
| Siaⁿ-sok (sòe kùn-á) | 2680 m·s−1 (at 20 °C) |
|---|
| Jia̍t-phòng-tiòng | α poly: 9.4 µm·m−1·K−1 (at 100 °C) |
|---|
| Jia̍t-thoân-tō-lu̍t | 10.6 W·m−1·K−1 |
|---|
| Tiān-chó͘-lu̍t | α, poly: 1.310 µΩ·m |
|---|
| Chû-sèng | ferromagnetic-paramagnetic transition at 293.4 K |
|---|
| Young hē-sò͘ | α form: 54.8 GPa |
|---|
| Shear hē-sò͘ | α form: 21.8 GPa |
|---|
| Bulk hē-sò͘ | α form: 37.9 GPa |
|---|
| Poisson pí | α form: 0.259 |
|---|
| Vickers ngē-tō͘ | 510–950 MPa |
|---|
| CAS teng-kì pian-hō | 7440-54-2 |
|---|
| Le̍k-sú |
|---|
| Hō-miâ | after the mineral Gadolinite (itself named after Johan Gadolin) |
|---|
| Hoat-hiān | Jean Charles Galissard de Marignac (1880) |
|---|
| Siōng chá hû-lî | Lecoq de Boisbaudran (1886) |
|---|
| Chòe ún-tēng ê tông-ūi-sò͘ |
|---|
| Chú bûn-chiong: gadolinium ê tông-ūi-sò͘ |
| iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
| 152Gd
|
0.20%
|
1.08×1014 y
|
α
|
2.205
|
148Sm
|
| 154Gd
|
2.18%
|
–
|
(α)
|
0.0812
|
150Sm
|
| 155Gd
|
14.80%
|
–
|
(α)
|
0.0812
|
151Sm
|
| 156Gd
|
20.47%
|
–
|
(SF)
|
<71.541
|
|
| 157Gd
|
15.65%
|
–
|
(SF)
|
<70.531
|
|
| 158Gd
|
24.84%
|
–
|
(SF)
|
<70.965
|
|
| 160Gd
|
21.86%
|
>1.3×1021 y
|
(β−β−)
|
1.729
|
160Dy
| |
| Decay modes in parentheses are predicted, but have not yet been observed |
