I ê goân-chú-hoan sī 76, hoà-ha̍k hû-hō sī Os.
Osmium, 76Os |
Ki-pún sèng-chit |
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Miâ, hû-hō | osmium, Os |
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Gōa-hêng | silvery, blue cast |
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Osmium tī chiu-kî-piáu lāi ê ūi-tì |
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Goân-chú-hoan | 76 |
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Goân-chú-liōng (±) | 190.23(3) |
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Goân-sò͘ lūi-pia̍t | kòe-tō͘ kim-sio̍k |
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Cho̍k, hun-khu | 8 cho̍k, d khu |
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Chiu-kî | tē 6 chiu-kî |
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Tiān-chú pâi-lia̍t | [Xe] 4f14 5d6 6s2 |
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per shell | 2, 8, 18, 32, 14, 2 |
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Bu̍t-lí sèng-chit |
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Siòng | solid |
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Iûⁿ-tiám | 3306 K (3033 °C, 5491 °F) |
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Hut-tiám | 5285 K (5012 °C, 9054 °F) |
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Bi̍t-tō͘ (sek-un) | 22.59 g·cm−3 |
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20 g·cm−3 |
Iûⁿ-hoà-jia̍t | 31 kJ·mol−1 |
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Cheng-hoat-jia̍t | 378 kJ·mol−1 |
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Jia̍t-iông-liōng | 24.7 J·mol−1·K−1 |
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cheng-khì-ap P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k | tī T (K) | 3160 | 3423 | 3751 | 4148 | 4638 | 5256 | |
Goân-chú sèng-chit |
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Sng-hòa-sò͘ | 8, 7, 6, 5, 4, 3, 2, 1, 0, −1, −2, −4 (a mildly acidic oxide) |
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Tiān-hū-tō͘ | Pauling scale: 2.2 |
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Tiān-lī-lêng | 1st: 840 kJ·mol−1 2nd: 1600 kJ·mol−1 |
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Goân-chú pòaⁿ-kèng | empirical: 135 pm |
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Kiōng-kè pòaⁿ-kèng | 144±4 pm |
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Cha̍p-lio̍k |
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Chiⁿ-thé kò͘-chō | hexagonal close-packed (hcp) |
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Siaⁿ-sok (sòe kùn-á) | 4940 m·s−1 (at 20 °C) |
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Jia̍t-phòng-tiòng | 5.1 µm·m−1·K−1 (at 25 °C) |
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Jia̍t-thoân-tō-lu̍t | 87.6 W·m−1·K−1 |
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Tiān-chó͘-lu̍t | 81.2 nΩ·m (at 0 °C) |
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Chû-sèng | paramagnetic |
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Shear hē-sò͘ | 222 GPa |
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Bulk hē-sò͘ | 462 GPa |
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Poisson pí | 0.25 |
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Mohs ngē-tō͘ | 7.0 |
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Brinell ngē-tō͘ | 3490–4000 MPa |
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CAS teng-kì pian-hō | 7440-04-2 |
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Le̍k-sú |
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Hoat-hiān kap siōng chá ê tông-ūi-sò͘ | Smithson Tennant (1803) |
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Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: osmium ê tông-ūi-sò͘ |
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 |
Chham-khó
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