Thallium, 81Tlngoi-kôn |
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silvery white
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Kî-pún sin-sit |
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Miàng, fù-ho |
Thallium, Tl |
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ngoi-hìn |
silvery white |
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Thallium chhai chû-khì-péu ke vi-chi |
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|
ngièn-chṳ́ sì-sú |
81 |
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ngièn-chṳ́-liòng |
204.38[1] (204.382–204.385)[2] |
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ngièn-su lui-phe̍t |
heu-ko-thu kîm-su̍k |
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Chhu̍k, fûn-khî |
13 chhu̍k, p-block |
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chû-khì |
period 6 |
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thien-chṳ́ phài-lie̍t |
[Xe] 4f14 5d10 6s2 6p1 |
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per shell |
2, 8, 18, 32, 18, 3 |
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vu̍t-lî sin-chṳt |
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Siông |
ku-thí |
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yùng-tiám |
577 K (304 °C, 579 °F) |
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pui-tiám |
1746 K (1473 °C, 2683 °F) |
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Me̍t-thu near Sit-vûn |
11.85 g·cm−3 |
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11.22 g·cm−3 |
Yùng-fa-ngie̍t |
4.14 kJ·mol−1 |
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Chîn-fat-ngie̍t |
165 kJ·mol−1 |
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Ngie̍t-yùng-liong |
26.32 J·mol−1·K−1 |
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chîn-hi-ap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
chhai T (K)
|
882
|
977
|
1097
|
1252
|
1461
|
1758
| |
Ngièn-chṳ́ sin-chṳt |
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Yông-fa-su |
3, 2, 1, −1, −2, −5[3] (a mildly basic oxide) |
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Thien-fu-sin |
Pauling scale: 1.62 |
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Thien-lì-nèn |
1st: 589.4 kJ·mol−1 2nd: 1971 kJ·mol−1 3rd: 2878 kJ·mol−1 |
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Ngièn-chṳ́ pan-kang |
empirical: 170 pm |
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Khiung-ka pan-kang |
145±7 pm |
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Van der Waals pan-kang |
196 pm |
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Miscellanea |
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Chîn-thí keu-chho |
hexagonal close-packed (hcp) |
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Sâng-suk thin rod |
818 m·s−1 (at 20 °C) |
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Ngie̍t-phàng-chong |
29.9 µm·m−1·K−1 (at 25 °C) |
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Ngie̍t-chhòn-thô-li̍t |
46.1 W·m−1·K−1 |
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Thien-chú-li̍t |
0.18 µΩ·m (at 20 °C) |
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Chhṳ̀-sin |
diamagnetic[4] |
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Young's modulus |
8 GPa |
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Shear modulus |
2.8 GPa |
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Bulk modulus |
43 GPa |
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Poisson ratio |
0.45 |
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Mohs hardness |
1.2 |
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Brinell hardness |
26.5–44.7 MPa |
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CAS Registry Number |
7440-28-0 |
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Le̍k-sú |
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Fat-hien |
William Crookes (1861) |
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First isolation |
Claude-Auguste Lamy (1862) |
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Chui vún-thin ke thùng-vi-su |
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Chú vùn-chông: Thallium ke thùng-vi-su |
|
Decay modes in parentheses are predicted, but have not yet been observed |
Thallium (Hon-ngî: 鉈 tā) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Tl, ngièn-chṳ́ su-muk he 81.