| ngoi-kôn |
|---|
silvery white metallic; with a pale yellow tint[1]
 |
| Kî-pún sin-sit |
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| Miàng,fù-ho | Strontium, Sr |
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| ngoi-hìn | silvery white metallic; with a pale yellow tint[2] |
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| Strontium chhaichû-khì-péu ke vi-chi |
|---|
|
| ngièn-chṳ́ sì-sú | 38 |
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| ngièn-chṳ́-liòng (±) | 87.62(1)[3] |
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| ngièn-su lui-phe̍t | kán-thú kîm-su̍k |
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| Chhu̍k,fûn-khî | 2 chhu̍k,s-block |
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| chû-khì | period 5 |
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| thien-chṳ́ phài-lie̍t | [Kr] 5s2 |
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| per shell | 2, 8, 18, 8, 2 |
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| vu̍t-lî sin-chṳt |
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| Siông | ku-thí |
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| yùng-tiám | 1050 K(777 °C,1431 °F) |
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| pui-tiám | 1650 K(1377 °C,2511 °F) |
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| Me̍t-thunear Sit-vûn | 2.64 g·cm−3 |
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| 2.375 g·cm−3 |
| Yùng-fa-ngie̍t | 7.43 kJ·mol−1 |
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| Chîn-fat-ngie̍t | 141 kJ·mol−1 |
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| Ngie̍t-yùng-liong | 26.4 J·mol−1·K−1 |
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chîn-hi-ap| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k | | chhai T (K) | 796 | 882 | 990 | 1139 | 1345 | 1646 |
|
| Ngièn-chṳ́ sin-chṳt |
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| Yông-fa-su | 2, 1[4](a stronglybasic oxide) |
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| Thien-fu-sin | Pauling scale: 0.95 |
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| Thien-lì-nèn | 1st: 549.5 kJ·mol−1
2nd: 1064.2 kJ·mol−1
3rd: 4138 kJ·mol−1 |
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| Ngièn-chṳ́ pan-kang | empirical:215 pm |
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| Khiung-ka pan-kang | 195±10 pm |
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| Van der Waals pan-kang | 249 pm |
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| Miscellanea |
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| Chîn-thí keu-chho | face-centered cubic (fcc) |
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| Ngie̍t-phàng-chong | 22.5 µm·m−1·K−1(at 25 °C) |
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| Ngie̍t-chhòn-thô-li̍t | 35.4 W·m−1·K−1 |
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| Thien-chú-li̍t | 132 nΩ·m(at 20 °C) |
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| Chhṳ̀-sin | paramagnetic |
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| Young's modulus | 15.7 GPa |
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| Shear modulus | 6.03 GPa |
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| Poisson ratio | 0.28 |
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| Mohs hardness | 1.5 |
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| CAS Registry Number | 7440-24-6 |
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| Le̍k-sú |
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| Hí-miàng | after the mineralstrontianite, itself named afterStrontian, Scotland |
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| Fat-hien | William Cruickshank(1787) |
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| First isolation | Humphry Davy(1808) |
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| Chui vún-thin ke thùng-vi-su |
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| Chú vùn-chông:Strontium ke thùng-vi-su |
| iso | NA | half-life | DM | DE (MeV) | DP |
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| 82Sr | syn | 25.36 d | ε | – | 82Rb | | 83Sr | syn | 1.35 d | ε | 83Rb |
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| β+ | 83Rb | | γ | – | | 84Sr | 0.56% | – | (β+β+) | 1.7867 | 84Kr | | 85Sr | syn | 64.84 d | ε | – | 85Rb | | γ | 0.514D | – | | 86Sr | 9.86% | 86Sr isstable with 48neutrons | | 87Sr | 7.0% | 87Sr is stable with 49 neutrons | | 88Sr | 82.58% | 88Sr is stable with 50 neutrons | | 89Sr | syn | 50.52 d | ε | 1.49 | 89Rb | | β− | 0.909D | 89Y | | 90Sr | trace | 28.90 y | β− | 0.546 | 90Y |
|
| Decay modes in parentheses are predicted, but have not yet been observed |
