Ruthenium, 44Ru| ngoi-kôn |
|---|
silvery white metallic
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho |
Ruthenium, Ru |
|---|
| ngoi-hìn |
silvery white metallic |
|---|
| Ruthenium chhai chû-khì-péu ke vi-chi |
|---|
|
|
| ngièn-chṳ́ sì-sú |
44 |
|---|
| ngièn-chṳ́-liòng (±) |
101.07(2)[1] |
|---|
| ngièn-su lui-phe̍t |
ko-thu kîm-su̍k |
|---|
| Chhu̍k, fûn-khî |
8 chhu̍k, d-block |
|---|
| chû-khì |
period 5 |
|---|
| thien-chṳ́ phài-lie̍t |
[Kr] 4d7 5s1 |
|---|
| per shell |
2, 8, 18, 15, 1 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| yùng-tiám |
2607 K (2334 °C, 4233 °F) |
|---|
| pui-tiám |
4423 K (4150 °C, 7502 °F) |
|---|
| Me̍t-thu near Sit-vûn |
12.45 g·cm−3 |
|---|
|
10.65 g·cm−3 |
| Yùng-fa-ngie̍t |
38.59 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t |
619 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong |
24.06 J·mol−1·K−1 |
|---|
chîn-hi-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| chhai T (K)
|
2588
|
2811
|
3087
|
3424
|
3845
|
4388
| |
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su |
-4, -2, 1,[2] 2, 3, 4, 5, 6, 7, 8 (a mildly acidic oxide) |
|---|
| Thien-fu-sin |
Pauling scale: 2.2 |
|---|
| Thien-lì-nèn |
1st: 710.2 kJ·mol−1
2nd: 1620 kJ·mol−1
3rd: 2747 kJ·mol−1 |
|---|
| Ngièn-chṳ́ pan-kang |
empirical: 134 pm |
|---|
| Khiung-ka pan-kang |
146±7 pm |
|---|
| Miscellanea |
|---|
| Chîn-thí keu-chho |
hexagonal close-packed (hcp) |
|---|
| Sâng-suk thin rod |
5970 m·s−1 (at 20 °C) |
|---|
| Ngie̍t-phàng-chong |
6.4 µm·m−1·K−1 (at 25 °C) |
|---|
| Ngie̍t-chhòn-thô-li̍t |
117 W·m−1·K−1 |
|---|
| Thien-chú-li̍t |
71 nΩ·m (at 0 °C) |
|---|
| Chhṳ̀-sin |
paramagnetic[3] |
|---|
| Young's modulus |
447 GPa |
|---|
| Shear modulus |
173 GPa |
|---|
| Bulk modulus |
220 GPa |
|---|
| Poisson ratio |
0.30 |
|---|
| Mohs hardness |
6.5 |
|---|
| Brinell hardness |
2160 MPa |
|---|
| CAS Registry Number |
7440-18-8 |
|---|
| Le̍k-sú |
|---|
| Hí-miàng |
after Ruthenia (Latin for: medieval Kyivska Rus' region) |
|---|
| Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ |
Karl Ernst Claus (1844) |
|---|
| Chui vún-thin ke thùng-vi-su |
|---|
|
Chú vùn-chông: Ruthenium ke thùng-vi-su |
| iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
| 96Ru
|
5.52%
|
>6.7×1016 y
|
(β+β+)
|
2.7188
|
96Mo
|
| 97Ru
|
syn
|
2.9 d
|
ε
|
–
|
97Tc
|
| γ
|
0.215, 0.324
|
–
|
| 98Ru
|
1.88%
|
–
|
(SF)
|
<11.690
|
–
|
| 99Ru
|
12.7%
|
–
|
(SF)
|
<12.368
|
–
|
| 100Ru
|
12.6%
|
–
|
(SF)
|
<13.634
|
–
|
| 101Ru
|
17.0%
|
–
|
(SF)
|
<13.205
|
–
|
| 102Ru
|
31.6%
|
–
|
(SF)
|
<12.049
|
–
|
| 103Ru
|
syn
|
39.26 d
|
β−
|
0.226
|
103Rh
|
| γ
|
0.497
|
–
|
| 104Ru
|
18.7%
|
–
|
(β−β−)
|
1.2997
|
104Pd
|
| 106Ru
|
syn
|
373.59 d
|
β−
|
0.039
|
106Rh
| |
|
Decay modes in parentheses are predicted, but have not yet been observed |
Ruthenium (Hon-ngî: 釕 liǎo) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ru, ngièn-chṳ́ su-muk he 44.
Chhâm-kháu chṳ̂-liau
