Â-yèn

Â-yèn (亞鉛), fe̍t-chá ham-cho sîn (鋅), he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Zn, ngièn-chṳ́ su-muk he 30, chhai Ngièn-su chû-khì-péu chûng thi sâm-sṳ̍p vi.

Â-yèn,  ₃₀Zn

ngoi-kôn
silver-gray
Kî-pún sin-sit
Miàng, fù-ho	Â-yèn, Zn
Yîn-ngî	zinc
phe̍t-miàng	Pha̍k-yèn, sîn
ngoi-hìn	silver-gray
Â-yèn chhai chû-khì-péu ke vi-chi
– ↑ Zn ↓ Cd thùng ← Â-yèn → gallium
ngièn-chṳ́ sì-sú	30
ngièn-chṳ́-liòng (±)	65.38(2)
ngièn-su lui-phe̍t	ko-thu kîm-su̍k, alternatively considered a post-transition metal
Chhu̍k, fûn-khî	12 chhu̍k, d-block
chû-khì	period 4
thien-chṳ́ phài-lie̍t	[Ar] 3d10 4s2
per shell	2, 8, 18, 2
vu̍t-lî sin-chṳt
Siông	Ku-thí
yùng-tiám	692.68 K ​(419.53 °C, ​787.15 °F)
pui-tiám	1180 K ​(907 °C, ​1665 °F)
Me̍t-thu near Sit-vûn	7.14 g·cm−3
6.57 g·cm−3
Yùng-fa-ngie̍t	7.32 kJ·mol−1
Chîn-fat-ngie̍t	115 kJ·mol−1
Ngie̍t-yùng-liong	25.470 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 610 670 750 852 990 1179
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	-2, 0, +1, +2 ​(an amphoteric oxide)
Thien-fu-sin	Pauling scale: 1.65
Thien-lì-nèn	1st: 906.4 kJ·mol−1 2nd: 1733.3 kJ·mol−1 3rd: 3833 kJ·mol−1 (more)
Ngièn-chṳ́ pan-kang	empirical: 134 pm
Khiung-ka pan-kang	122±4 pm
Van der Waals pan-kang	139 pm
Miscellanea
Chîn-thí keu-chho	​hexagonal close-packed (hcp)
Sâng-suk thin rod	3850 m·s−1 (at r.t.) (rolled)
Ngie̍t-phàng-chong	30.2 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t	116 W·m−1·K−1
Thien-chú-li̍t	59.0 nΩ·m (at 20 °C)
Chhṳ̀-sin	diamagnetic
Young's modulus	108 GPa
Shear modulus	43 GPa
Bulk modulus	70 GPa
Poisson ratio	0.25
Mohs hardness	2.5
Brinell hardness	327–412 MPa
CAS Registry Number	7440-66-6
Le̍k-sú
Fat-hien	Indian metallurgists (before 1000 BCE)
First isolation	Andreas Sigismund Marggraf (1746)
Recognized as a unique metal by	Rasaratna Samuccaya (800)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Â-yèn ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 64Zn 48.6% >2.3×1018 y (β+β+) 1.096 64Ni 65Zn syn 243.8 d ε 1.3519 65Cu γ 1.1155 – 66Zn 27.9% 66Zn is stable with 36 neutrons 67Zn 4.1% 67Zn is stable with 37 neutrons 68Zn 18.8% 68Zn is stable with 38 neutrons 69Zn syn 56 min β− 0.906 69Ga 69mZn syn 13.76 h β− 0.906 69Ga 70Zn 0.6% >1.3×1016 y (β−β−) 0.998 70Ge 71Zn syn 2.4 min β− 2.82 71Ga 71mZn syn 3.97 d β− 2.82 71Ga 72Zn syn 46.5 h β− 0.458 72Ga
Decay modes in parentheses are predicted, but have not yet been observed