Astatine (Óa-im: "a-suh-tá-tín") sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 85, hoà-ha̍k hû-hō sī At.
Quick facts Ki-pún sèng-chit, Miâ, hû-hō ...
Astatine, 85At|
| Miâ, hû-hō | astatine, At |
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| Gōa-hêng | unknown, probably metallic |
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|
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| Goân-chú-hoan | 85 |
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| Goân-chú-liōng | (210) |
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| Goân-sò͘ lūi-pia̍t | lūi-kim-sio̍k
sometimes classified as a nonmetal, or a metal[2] |
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| Cho̍k, hun-khu | 17 cho̍k, p khu |
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| Chiu-kî | tē 6 chiu-kî |
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| Tiān-chú pâi-lia̍t | [Xe] 4f14 5d10 6s2 6p5 |
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| per shell | 2, 8, 18, 32, 18, 7 |
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|
| Siòng | kò͘-thé |
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| Iûⁿ-tiám | 575 K (302 °C, 576 °F) |
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| Hut-tiám | 610 K (337 °C, 639 °F) |
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| Bi̍t-tō͘ (sek-un) | (At2) 6.35±0.15 g·cm−3 (predicted)[3] |
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| Mol thé-chek | (At2) 32.94 cm3·mol−1 (predicted)[3] |
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| Iûⁿ-hoà-jia̍t | ca. 6 kJ·mol−1 |
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| Cheng-hoat-jia̍t | (At2) 54.39 kJ·mol−1[4] |
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cheng-khì-ap
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| tī T (K) |
361 |
392 |
429 |
475 |
531 |
607 |
|
|
| Sng-hòa-sò͘ | −1, +1, +3, +5, +7 |
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| Tiān-hū-tō͘ | Pauling scale: 2.2 |
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| Tiān-lī-lêng | 1st: 899.003 kJ·mol−1[6] |
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| Kiōng-kè pòaⁿ-kèng | 150 pm |
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| Van der Waals pòaⁿ-kèng | 202 pm |
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|
| Chiⁿ-thé kò͘-chō | face-centered cubic (fcc)
(predicted)[2] |
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| Jia̍t-thoân-tō-lu̍t | 1.7 W·m−1·K−1 |
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| CAS teng-kì pian-hō | 7440-68-8 |
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|
| Hō-miâ | after Greek astatos (αστατος), meaning "unstable" |
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| Hoat-hiān | Dale R. Corson, Kenneth Ross MacKenzie, Emilio Segrè (1940) |
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|
| Chú bûn-chiong: astatine ê tông-ūi-sò͘ |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 209At |
syn |
5.41 h |
β+ |
3.486 |
209Po |
| α |
5.758 |
205Bi |
| 210At |
syn |
8.1 h |
β+ |
3.981 |
210Po |
| α |
5.632 |
206Bi |
| 211At |
syn |
7.21 h |
ε |
0.786 |
211Po |
| α |
5.983 |
207Bi |
|
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