Osmium, 76Os|
silvery, blue cast
 |
|
| Miàng, fù-ho | Osmium, Os |
|---|
| ngoi-hìn | silvery, blue cast |
|---|
|
|
| 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 |
|---|
|
| 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 |
|
|
| 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 |
|---|
|
| 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 |
|---|
|
| Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ | Smithson Tennant (1803) |
|---|
|
| 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 |
Osmium (Hon-ngî: 鋨 é) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Os, ngièn-chṳ́ su-muk he 76.
