Osmium (Hon-ngî: 鋨 é) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Os, ngièn-chṳ́ su-muk he 76.
Osmium, 76Os| ngoi-kôn |
|---|
silvery, blue cast
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho |
Osmium, Os |
|---|
| ngoi-hìn |
silvery, blue cast |
|---|
| Osmium chhai chû-khì-péu ke vi-chi |
|---|
|
|
| ngièn-chṳ́ sì-sú |
76 |
|---|
| ngièn-chṳ́-liòng (±) |
190.23(3)[1] |
|---|
| ngièn-su lui-phe̍t |
ko-thu kîm-su̍k |
|---|
| Chhu̍k, fûn-khî |
8 chhu̍k, d-block |
|---|
| chû-khì |
period 6 |
|---|
| thien-chṳ́ phài-lie̍t |
[Xe] 4f14 5d6 6s2 |
|---|
| per shell |
2, 8, 18, 32, 14, 2 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông |
ku-thí |
|---|
| yùng-tiám |
3306 K (3033 °C, 5491 °F) |
|---|
| pui-tiám |
5285 K (5012 °C, 9054 °F) |
|---|
| Me̍t-thu near Sit-vûn |
22.59 g·cm−3 |
|---|
|
20 g·cm−3 |
| Yùng-fa-ngie̍t |
31 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t |
378 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong |
24.7 J·mol−1·K−1 |
|---|
chîn-hi-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| chhai T (K)
|
3160
|
3423
|
3751
|
4148
|
4638
|
5256
| |
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su |
8, 7, 6, 5, 4, 3, 2, 1, 0, −1, −2, −4 (a mildly acidic oxide) |
|---|
| Thien-fu-sin |
Pauling scale: 2.2 |
|---|
| Thien-lì-nèn |
1st: 840 kJ·mol−1
2nd: 1600 kJ·mol−1 |
|---|
| Ngièn-chṳ́ pan-kang |
empirical: 135 pm |
|---|
| Khiung-ka pan-kang |
144±4 pm |
|---|
| Miscellanea |
|---|
| Chîn-thí keu-chho |
hexagonal close-packed (hcp) |
|---|
| Sâng-suk thin rod |
4940 m·s−1 (at 20 °C) |
|---|
| Ngie̍t-phàng-chong |
5.1 µm·m−1·K−1 (at 25 °C) |
|---|
| Ngie̍t-chhòn-thô-li̍t |
87.6 W·m−1·K−1 |
|---|
| Thien-chú-li̍t |
81.2 nΩ·m (at 0 °C) |
|---|
| Chhṳ̀-sin |
paramagnetic[2] |
|---|
| Shear modulus |
222 GPa |
|---|
| Bulk modulus |
462 GPa |
|---|
| Poisson ratio |
0.25 |
|---|
| Mohs hardness |
7.0 |
|---|
| Brinell hardness |
3490–4000 MPa |
|---|
| CAS Registry Number |
7440-04-2 |
|---|
| Le̍k-sú |
|---|
| Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ |
Smithson Tennant (1803) |
|---|
| Chui vún-thin ke thùng-vi-su |
|---|
|
Chú vùn-chông: Osmium ke thùng-vi-su |
| iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
| 184Os
|
0.02%
|
>5.6×1013 y
|
(β+β+)
|
1.451
|
184W
|
| (α)
|
2.963
|
180W
|
| 185Os
|
syn
|
93.6 d
|
ε
|
1.013
|
185Re
|
| 186Os
|
1.59%
|
2.0×1015 y
|
α
|
2.822
|
182W
|
| 187Os
|
1.96%
|
–
|
(α)
|
2.7202
|
183W
|
| 188Os
|
13.24%
|
–
|
(α)
|
2.1426
|
184W
|
| 189Os
|
16.15%
|
–
|
(α)
|
1.9757
|
185W
|
| 190Os
|
26.26%
|
–
|
(α)
|
1.3784
|
186W
|
| 191Os
|
syn
|
15.4 d
|
β−
|
0.314
|
191Ir
|
| 192Os
|
40.78%
|
>9.8×1012 y
|
(β−β−)
|
0.4135
|
192Pt
|
| (α)
|
0.3622
|
188W
|
| 193Os
|
syn
|
30.11 d
|
β−
|
1.141
|
193Ir
|
| 194Os
|
syn
|
6 y
|
β−
|
0.097
|
194Ir
| |
|
Decay modes in parentheses are predicted, but have not yet been observed |
