Actinium ("Ak-tín-ni-ùm") sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 89, hoà-ha̍k hû-hō sī Ac.
Quick facts Ki-pún sèng-chit, Miâ, hû-hō ...
Actinium, 89Ac| Ki-pún sèng-chit |
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| Miâ, hû-hō |
actinium, Ac |
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| Gōa-hêng |
silvery-white, glowing with an eerie blue light;[1] sometimes with a golden cast[2] |
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| Actinium tī chiu-kî-piáu lāi ê ūi-tì |
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|
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| Goân-chú-hoan |
89 |
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| Goân-chú-liōng |
(227) |
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| Goân-sò͘ lūi-pia̍t |
actinium-hē
sometimes considered a transition metal |
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| Cho̍k, hun-khu |
n/a, f khu |
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| Chiu-kî |
tē 7 chiu-kî |
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| Tiān-chú pâi-lia̍t |
[Rn] 6d1 7s2 |
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| per shell |
2, 8, 18, 32, 18, 9, 2 |
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| Bu̍t-lí sèng-chit |
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| Siòng |
kò͘-thé |
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| Iûⁿ-tiám |
1500 K (1227 °C, 2240 °F) (estimated)[2] |
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| Hut-tiám |
3500±300 K (3200±300 °C, 5800±500 °F) (extrapolated)[2] |
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| Bi̍t-tō͘ (sek-un) |
10 g·cm−3 |
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| Iûⁿ-hoà-jia̍t |
14 kJ·mol−1 |
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| Cheng-hoat-jia̍t |
400 kJ·mol−1 |
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| Jia̍t-iông-liōng |
27.2 J·mol−1·K−1 |
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| Goân-chú sèng-chit |
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| Sng-hòa-sò͘ |
3, 2 (a neutral oxide) |
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| Tiān-hū-tō͘ |
Pauling scale: 1.1 |
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| Tiān-lī-lêng |
1st: 499 kJ·mol−1
2nd: 1170 kJ·mol−1 |
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| Kiōng-kè pòaⁿ-kèng |
215 pm |
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| Cha̍p-lio̍k |
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| Chiⁿ-thé kò͘-chō |
face-centered cubic (fcc) |
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| Jia̍t-thoân-tō-lu̍t |
12 W·m−1·K−1 |
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| CAS teng-kì pian-hō |
7440-34-8 |
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| Le̍k-sú |
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| Hoat-hiān kap siōng chá ê tông-ūi-sò͘ |
Friedrich Oskar Giesel (1902) |
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| Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: actinium ê tông-ūi-sò͘ |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 225Ac |
trace |
10 d |
α |
5.935 |
221Fr |
| 226Ac |
syn |
29.37 h |
β− |
1.117 |
226Th |
| ε |
0.640 |
226Ra |
| α |
5.536 |
222Fr |
| 227Ac |
trace |
21.772 y |
β− |
0.045 |
227Th |
| α |
5.042 |
223Fr |
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