Tién, 53I| ngoi-kôn |
|---|
lustrous metallic gray, violet as a gas
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho |
Tién, I |
|---|
| Yîn-ngî |
iodine |
|---|
| ngoi-hìn |
lustrous metallic gray, violet as a gas |
|---|
| Tién chhai chû-khì-péu ke vi-chi |
|---|
|
|
| ngièn-chṳ́ sì-sú |
53 |
|---|
| ngièn-chṳ́-liòng (±) |
126.90447(3)[1] |
|---|
| ngièn-su lui-phe̍t |
sûng-ngièn-chṳ́ fî-kîm-su̍k |
|---|
| Chhu̍k, fûn-khî |
17 chhu̍k, p-block |
|---|
| chû-khì |
period 5 |
|---|
| thien-chṳ́ phài-lie̍t |
[Kr] 4d10 5s2 5p5 |
|---|
| per shell |
2, 8, 18, 18, 7 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông |
ku-thí |
|---|
| yùng-tiám |
386.85 K (113.7 °C, 236.66 °F) |
|---|
| pui-tiám |
457.4 K (184.3 °C, 363.7 °F) |
|---|
| Me̍t-thu near Sit-vûn |
4.933 g·cm−3 |
|---|
| Sâm-siong-tiám |
386.65 K, 12.1 kPa |
|---|
| lìm-kie-tiám |
819 K, 11.7 MPa |
|---|
| Yùng-fa-ngie̍t |
(I2) 15.52 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t |
(I2) 41.57 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong |
(I2) 54.44 J·mol−1·K−1 |
|---|
chîn-hi-ap (rhombic)
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| chhai T (K) |
260 |
282 |
309 |
342 |
381 |
457 |
|
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su |
7, 6, 5, 4, 3, 1, −1 (a strongly acidic oxide) |
|---|
| Thien-fu-sin |
Pauling scale: 2.66 |
|---|
| Thien-lì-nèn |
1st: 1008.4 kJ·mol−1
2nd: 1845.9 kJ·mol−1
3rd: 3180 kJ·mol−1 |
|---|
| Ngièn-chṳ́ pan-kang |
empirical: 140 pm |
|---|
| Khiung-ka pan-kang |
139±3 pm |
|---|
| Van der Waals pan-kang |
198 pm |
|---|
| Miscellanea |
|---|
| Chîn-thí keu-chho |
orthorhombic |
|---|
| Ngie̍t-chhòn-thô-li̍t |
0.449 W·m−1·K−1 |
|---|
| Thien-chú-li̍t |
1.3×107 Ω·m (at 0 °C) |
|---|
| Chhṳ̀-sin |
diamagnetic[2] |
|---|
| Bulk modulus |
7.7 GPa |
|---|
| CAS Registry Number |
7553-56-2 |
|---|
| Le̍k-sú |
|---|
| Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ |
Bernard Courtois (1811) |
|---|
| Chui vún-thin ke thùng-vi-su |
|---|
|
Chú vùn-chông: Tién ke thùng-vi-su |
| 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 |
Tién (碘), fe̍t-chá ham-cho vok-su (沃素), he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì I, ngièn-chṳ́ su-muk he 53.
