Gallium
Gallium, 31Ga| ngoi-kôn |
|---|
silver-white
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho |
Gallium, Ga |
|---|
| ngoi-hìn |
silver-white |
|---|
| Gallium chhai chû-khì-péu ke vi-chi |
|---|
|
|
| ngièn-chṳ́ sì-sú |
31 |
|---|
| ngièn-chṳ́-liòng (±) |
69.723(1)[1] |
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| ngièn-su lui-phe̍t |
heu-ko-thu kîm-su̍k |
|---|
| Chhu̍k, fûn-khî |
13 chhu̍k, p-block |
|---|
| chû-khì |
period 4 |
|---|
| thien-chṳ́ phài-lie̍t |
[Ar] 3d10 4s2 4p1 |
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| per shell |
2, 8, 18, 3 |
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| vu̍t-lî sin-chṳt |
|---|
| Siông |
ku-thí |
|---|
| yùng-tiám |
302.9146 K (29.7646 °C, 85.5763 °F) |
|---|
| pui-tiám |
2673 K (2400 °C, 4352 °F)[2] |
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| Me̍t-thu near Sit-vûn |
5.91 g·cm−3 |
|---|
|
6.095 g·cm−3 |
| Yùng-fa-ngie̍t |
5.59 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t |
256 kJ·mol−1[2] |
|---|
| Ngie̍t-yùng-liong |
25.86 J·mol−1·K−1 |
|---|
chîn-hi-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| chhai T (K)
|
1310
|
1448
|
1620
|
1838
|
2125
|
2518
| |
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su |
3, 2, 1, −1, −2, −4, −5[3] (an amphoteric oxide) |
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| Thien-fu-sin |
Pauling scale: 1.81 |
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| Thien-lì-nèn |
1st: 578.8 kJ·mol−1 2nd: 1979.3 kJ·mol−1 3rd: 2963 kJ·mol−1 (more) |
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| Ngièn-chṳ́ pan-kang |
empirical: 135 pm |
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| Khiung-ka pan-kang |
122±3 pm |
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| Van der Waals pan-kang |
187 pm |
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| Miscellanea |
|---|
| Chîn-thí keu-chho |
orthorhombic |
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| Sâng-suk thin rod |
2740 m·s−1 (at 20 °C) |
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| Ngie̍t-phàng-chong |
18 µm·m−1·K−1 (at 25 °C) |
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| Ngie̍t-chhòn-thô-li̍t |
40.6 W·m−1·K−1 |
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| Thien-chú-li̍t |
270 nΩ·m (at 20 °C) |
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| Chhṳ̀-sin |
diamagnetic |
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| Young's modulus |
9.8 GPa |
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| Poisson ratio |
0.47 |
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| Mohs hardness |
1.5 |
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| Brinell hardness |
56.8–68.7 MPa |
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| CAS Registry Number |
7440-55-3 |
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| Le̍k-sú |
|---|
| Hí-miàng |
after Gallia (Latin for: France), homeland of the discoverer |
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| Yi-chhet |
Dmitri Mendeleev (1871) |
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| Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ |
Lecoq de Boisbaudran (1875) |
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| Chui vún-thin ke thùng-vi-su |
|---|
|
Chú vùn-chông: Gallium ke thùng-vi-su |
| iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
| 69Ga
|
60.11%
|
69Ga is stable with 38 neutrons
|
| 71Ga
|
39.89%
|
71Ga is stable with 40 neutrons
| |
Gallium (Hon-ngî: 鎵 jiā) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ga, ngièn-chṳ́ su-muk he 31.
Chhâm-kháu chṳ̂-liau