Ak-sò͘ (eng. iodine; ji̍t. 沃素) sī chi̍t khoán hoà-ha̍k goân-sò͘, mā ū hō ai-o-tian ia̍h ai-o-tīn[3], Hàn-bûn kóng tián (碘), hoà-ha̍k kì-hō I, goân-chú-hoan 53.
Quick Facts Ki-pún sèng-chit, Miâ, hû-hō ...
Ak-sò͘, 53I
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| Ki-pún sèng-chit |
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| Miâ, hû-hō |
Ak-sò͘, I |
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| Eng-bûn |
iodine |
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| Phian-miâ |
tián |
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| Gōa-hêng |
lustrous metallic gray, violet as a gas |
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| Ak-sò͘ tī chiu-kî-piáu lāi ê ūi-tì |
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|
|
| Goân-chú-hoan |
53 |
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| Goân-chú-liōng (±) |
126.90447(3)[1] |
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| Goân-sò͘ lūi-pia̍t |
siang-goân-chú hui-kim-sio̍k |
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| Cho̍k, hun-khu |
17 cho̍k, p khu |
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| Chiu-kî |
tē 5 chiu-kî |
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| Tiān-chú pâi-lia̍t |
[Kr] 4d10 5s2 5p5 |
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| per shell |
2, 8, 18, 18, 7 |
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| Bu̍t-lí sèng-chit |
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| Siòng |
kò͘-thé |
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| Iûⁿ-tiám |
386.85 K (113.7 °C, 236.66 °F) |
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| Hut-tiám |
457.4 K (184.3 °C, 363.7 °F) |
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| Bi̍t-tō͘ (sek-un) |
4.933 g·cm−3 |
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| Sam-siòng-tiám |
386.65 K, 12.1 kPa |
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| Lîm-kài-tiám |
819 K, 11.7 MPa |
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| Iûⁿ-hoà-jia̍t |
(I2) 15.52 kJ·mol−1 |
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| Cheng-hoat-jia̍t |
(I2) 41.57 kJ·mol−1 |
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| Jia̍t-iông-liōng |
(I2) 54.44 J·mol−1·K−1 |
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cheng-khì-ap (rhombic)
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| tī T (K) |
260 |
282 |
309 |
342 |
381 |
457 |
|
| Goân-chú sèng-chit |
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| Sng-hòa-sò͘ |
7, 6, 5, 4, 3, 1, −1 (a strongly acidic oxide) |
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| Tiān-hū-tō͘ |
Pauling scale: 2.66 |
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| Tiān-lī-lêng |
1st: 1008.4 kJ·mol−1
2nd: 1845.9 kJ·mol−1
3rd: 3180 kJ·mol−1 |
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| Goân-chú pòaⁿ-kèng |
empirical: 140 pm |
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| Kiōng-kè pòaⁿ-kèng |
139±3 pm |
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| Van der Waals pòaⁿ-kèng |
198 pm |
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| Cha̍p-lio̍k |
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| Chiⁿ-thé kò͘-chō |
orthorhombic |
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| Jia̍t-thoân-tō-lu̍t |
0.449 W·m−1·K−1 |
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| Tiān-chó͘-lu̍t |
1.3×107 Ω·m (at 0 °C) |
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| Chû-sèng |
diamagnetic[2] |
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| Bulk hē-sò͘ |
7.7 GPa |
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| CAS teng-kì pian-hō |
7553-56-2 |
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| Le̍k-sú |
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| Hoat-hiān kap siōng chá ê tông-ūi-sò͘ |
Bernard Courtois (1811) |
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| Chòe ún-tēng ê tông-ūi-sò͘ |
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|
Chú bûn-chiong: Ak-sò͘ ê tông-ūi-sò͘ |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 123I |
syn |
13 h |
ε, γ |
0.16 |
123Te |
| 124I |
syn |
4.176 d |
ε |
– |
124Te |
| 125I |
syn |
59.40 d |
ε |
– |
125Te |
| 127I |
100% |
– |
(SF) |
<29.961 |
|
| 129I |
trace |
1.57×107 y |
β− |
0.194 |
129Xe |
| 131I |
syn |
8.02070 d |
β−, γ |
0.971 |
131Xe |
| 135I |
syn |
6.57 h |
β− |
– |
135Xe |
|
|
Decay modes in parentheses are predicted, but have not yet been observed |
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