Yttrium, 39Y| ngoi-kôn |
|---|
silvery white
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho |
Yttrium, Y |
|---|
| ngoi-hìn |
silvery white |
|---|
| Yttrium chhai chû-khì-péu ke vi-chi |
|---|
|
|
| ngièn-chṳ́ sì-sú |
39 |
|---|
| ngièn-chṳ́-liòng (±) |
88.90584(2)[1] |
|---|
| ngièn-su lui-phe̍t |
ko-thu kîm-su̍k |
|---|
| Chhu̍k, fûn-khî |
3 chhu̍k, d-block |
|---|
| chû-khì |
period 5 |
|---|
| thien-chṳ́ phài-lie̍t |
[Kr] 4d1 5s2 |
|---|
| per shell |
2, 8, 18, 9, 2 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông |
ku-thí |
|---|
| yùng-tiám |
1799 K (1526 °C, 2779 °F) |
|---|
| pui-tiám |
3203 K (2930 °C, 5306 °F) |
|---|
| Me̍t-thu near Sit-vûn |
4.472 g·cm−3 |
|---|
|
4.24 g·cm−3 |
| Yùng-fa-ngie̍t |
11.42 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t |
363 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong |
26.53 J·mol−1·K−1 |
|---|
chîn-hi-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| chhai T (K)
|
1883
|
2075
|
(2320)
|
(2627)
|
(3036)
|
(3607)
| |
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su |
3, 2, 1 (a weakly basic oxide) |
|---|
| Thien-fu-sin |
Pauling scale: 1.22 |
|---|
| Thien-lì-nèn |
1st: 600 kJ·mol−1
2nd: 1180 kJ·mol−1
3rd: 1980 kJ·mol−1 |
|---|
| Ngièn-chṳ́ pan-kang |
empirical: 180 pm |
|---|
| Khiung-ka pan-kang |
190±7 pm |
|---|
| Miscellanea |
|---|
| Chîn-thí keu-chho |
hexagonal close-packed (hcp) |
|---|
| Sâng-suk thin rod |
3300 m·s−1 (at 20 °C) |
|---|
| Ngie̍t-phàng-chong |
α, poly: 10.6 µm·m−1·K−1 (at r.t.) |
|---|
| Ngie̍t-chhòn-thô-li̍t |
17.2 W·m−1·K−1 |
|---|
| Thien-chú-li̍t |
α, poly: 596 nΩ·m (at r.t.) |
|---|
| Chhṳ̀-sin |
paramagnetic[2] |
|---|
| Young's modulus |
63.5 GPa |
|---|
| Shear modulus |
25.6 GPa |
|---|
| Bulk modulus |
41.2 GPa |
|---|
| Poisson ratio |
0.243 |
|---|
| Brinell hardness |
200–589 MPa |
|---|
| CAS Registry Number |
7440-65-5 |
|---|
| Le̍k-sú |
|---|
| Hí-miàng |
after Ytterby, Sweden and its mineral ytterbite (gadolinite) |
|---|
| Fat-hien |
Johan Gadolin (1794) |
|---|
| First isolation |
Carl Gustav Mosander (1840) |
|---|
| Chui vún-thin ke thùng-vi-su |
|---|
|
Chú vùn-chông: Yttrium ke thùng-vi-su |
| iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
| 87Y
|
syn
|
3.35 d
|
ε
|
–
|
87Sr
|
| γ
|
0.48, 0.38D
|
–
|
| 88Y
|
syn
|
106.6 d
|
ε
|
–
|
88Sr
|
| γ
|
1.83, 0.89
|
–
|
| 89Y
|
100%
|
89Y is stable with 50 neutrons
|
| 90Y
|
syn
|
2.67 d
|
β−
|
2.28
|
90Zr
|
| γ
|
2.18
|
–
|
| 91Y
|
syn
|
58.5 d
|
β−
|
1.54
|
91Zr
|
| γ
|
1.20
|
–
| |
Yttrium (Hon-ngî: 釔 yǐ) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Y, ngièn-chṳ́ su-muk he 39.
