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
Al ↑ Ga ↓ In Â-yèn ← Gallium → Germanium
ngièn-chṳ́ sì-sú	31
ngièn-chṳ́-liòng (±)	69.723(1)
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
per shell	2, 8, 18, 3
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)
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
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 ​(an amphoteric oxide)
Thien-fu-sin	Pauling scale: 1.81
Thien-lì-nèn	1st: 578.8 kJ·mol−1 2nd: 1979.3 kJ·mol−1 3rd: 2963 kJ·mol−1 (more)
Ngièn-chṳ́ pan-kang	empirical: 135 pm
Khiung-ka pan-kang	122±3 pm
Van der Waals pan-kang	187 pm
Miscellanea
Chîn-thí keu-chho	​orthorhombic
Sâng-suk thin rod	2740 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong	18 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t	40.6 W·m−1·K−1
Thien-chú-li̍t	270 nΩ·m (at 20 °C)
Chhṳ̀-sin	diamagnetic
Young's modulus	9.8 GPa
Poisson ratio	0.47
Mohs hardness	1.5
Brinell hardness	56.8–68.7 MPa
CAS Registry Number	7440-55-3
Le̍k-sú
Hí-miàng	after Gallia (Latin for: France), homeland of the discoverer
Yi-chhet	Dmitri Mendeleev (1871)
Hoat-kiàn kap siōng chá ê tông-ūi-sò͘	Lecoq de Boisbaudran (1875)
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.