Dysprosium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 66, hoà-ha̍k hû-hō sī Dy.
Dysprosium, 66Dy |
Ki-pún sèng-chit |
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Miâ, hû-hō | dysprosium, Dy |
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Gōa-hêng | silvery white |
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Dysprosium tī chiu-kî-piáu lāi ê ūi-tì |
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Goân-chú-hoan | 66 |
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Goân-chú-liōng (±) | 162.500(1)[1] |
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Goân-sò͘ lūi-pia̍t | lanthanum-hē |
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Cho̍k, hun-khu | n/a, f khu |
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Chiu-kî | tē 6 chiu-kî |
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Tiān-chú pâi-lia̍t | [Xe] 4f10 6s2 |
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per shell | 2, 8, 18, 28, 8, 2 |
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Bu̍t-lí sèng-chit |
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Siòng | solid |
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Iûⁿ-tiám | 1680 K (1407 °C, 2565 °F) |
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Hut-tiám | 2840 K (2562 °C, 4653 °F) |
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Bi̍t-tō͘ (sek-un) | 8.540 g·cm−3 |
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8.37 g·cm−3 |
Iûⁿ-hoà-jia̍t | 11.06 kJ·mol−1 |
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Cheng-hoat-jia̍t | 280 kJ·mol−1 |
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Jia̍t-iông-liōng | 27.7 J·mol−1·K−1 |
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cheng-khì-apP (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k | tī T (K) | 1378 | 1523 | (1704) | (1954) | (2304) | (2831) |
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Goân-chú sèng-chit |
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Sng-hòa-sò͘ | 4, 3, 2, 1 (a weakly basic oxide) |
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Tiān-hū-tō͘ | Pauling scale: 1.22 |
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Tiān-lī-lêng | 1st: 573.0 kJ·mol−1 2nd: 1130 kJ·mol−1 3rd: 2200 kJ·mol−1 |
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Goân-chú pòaⁿ-kèng | empirical: 178 pm |
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Kiōng-kè pòaⁿ-kèng | 192±7 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) | 2710 m·s−1 (at 20 °C) |
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Jia̍t-phòng-tiòng | α, poly: 9.9 µm·m−1·K−1 (r.t.) |
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Jia̍t-thoân-tō-lu̍t | 10.7 W·m−1·K−1 |
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Tiān-chó͘-lu̍t | α, poly: 926 nΩ·m (r.t.) |
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Chû-sèng | paramagnetic at 300 K |
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Young hē-sò͘ | α form: 61.4 GPa |
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Shear hē-sò͘ | α form: 24.7 GPa |
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Bulk hē-sò͘ | α form: 40.5 GPa |
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Poisson pí | α form: 0.247 |
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Vickers ngē-tō͘ | 410–550 MPa |
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Brinell ngē-tō͘ | 500–1050 MPa |
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CAS teng-kì pian-hō | 7429-91-6 |
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Le̍k-sú |
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Hoat-hiān | Lecoq de Boisbaudran (1886) |
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Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: dysprosium ê tông-ūi-sò͘ |
iso | NA | half-life | DM | DE (MeV) | DP |
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154Dy | syn | 3.0×106 y | α | 2.947 | 150Gd | 156Dy | 0.06% | >1×1018 y | (α) | 1.7579 | 152Gd | (β+β+) | 2.0108 | 156Gd | 158Dy | 0.10% | – | (α) | 0.8748 | 154Gd | (β+β+) | 0.2833 | 158Gd | 160Dy | 2.34% | – | (α) | 0.4387 | 156Gd | 161Dy | 18.91% | – | (α) | 0.3443 | 157Gd | 162Dy | 25.51% | – | (α) | 0.0847 | 158Gd | 163Dy | 24.90% | – | (SF) | <79.055 | | 164Dy | 28.18% | – | (SF) | <79.499 | |
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Decay modes in parentheses are predicted, but have not yet been observed |