Actinium, 89Ac| ngoi-kôn |
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silvery-white, glowing with an eerie blue light;[1] sometimes with a golden cast[2] |
| Kî-pún sin-sit |
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| Miàng, fù-ho |
actinium, Ac |
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| ngoi-hìn |
silvery-white, glowing with an eerie blue light;[3] sometimes with a golden cast[2] |
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| Actinium chhai chû-khì-péu ke vi-chi |
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| ngièn-chṳ́ sì-sú |
89 |
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| ngièn-chṳ́-liòng |
(227) |
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| ngièn-su lui-phe̍t |
actinium-hi, sometimes considered a transition metal |
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| Chhu̍k, fûn-khî |
n/a, f-block |
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| chû-khì |
period 7 |
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| thien-chṳ́ phài-lie̍t |
[Rn] 6d1 7s2 |
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| per shell |
2, 8, 18, 32, 18, 9, 2 |
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| vu̍t-lî sin-chṳt |
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| Siông |
ku-thí |
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| yùng-tiám |
1500 K (1227 °C, 2240 °F) (estimated)[2] |
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| pui-tiám |
3500±300 K (3200±300 °C, 5800±500 °F) (extrapolated)[2] |
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| Me̍t-thu near Sit-vûn |
10 g·cm−3 |
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| Yùng-fa-ngie̍t |
14 kJ·mol−1 |
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| Chîn-fat-ngie̍t |
400 kJ·mol−1 |
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| Ngie̍t-yùng-liong |
27.2 J·mol−1·K−1 |
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| Ngièn-chṳ́ sin-chṳt |
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| Yông-fa-su |
3, 2 (a neutral oxide) |
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| Thien-fu-sin |
Pauling scale: 1.1 |
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| Thien-lì-nèn |
1st: 499 kJ·mol−1
2nd: 1170 kJ·mol−1 |
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| Khiung-ka pan-kang |
215 pm |
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| Miscellanea |
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| Chîn-thí keu-chho |
face-centered cubic (fcc) |
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| Ngie̍t-chhòn-thô-li̍t |
12 W·m−1·K−1 |
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| CAS Registry Number |
7440-34-8 |
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| Le̍k-sú |
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| Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ |
Friedrich Oskar Giesel (1902) |
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| Chui vún-thin ke thùng-vi-su |
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|
Chú vùn-chông: actinium ke thùng-vi-su |
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Actinium (Hon-ngî: 錒 ā) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ac, ngièn-chṳ́ su-muk he 89.
