Ngiùn

Ngiùn,  ₄₇Ag

ngoi-kôn
lustrous white metal Electrolytically refined silver
Kî-pún sin-sit
Miàng, fù-ho	Ngiùn, Ag
Yîn-ngî	silver
ngoi-hìn	lustrous white metal
Ngiùn chhai chû-khì-péu ke vi-chi
Cu ↑ Ag ↓ Au palladium ← Ngiùn → cadmium
ngièn-chṳ́ sì-sú	47
ngièn-chṳ́-liòng (±)	107.8682(2)
ngièn-su lui-phe̍t	ko-thu kîm-su̍k
Chhu̍k, fûn-khî	11 chhu̍k, d-block
chû-khì	period 5
thien-chṳ́ phài-lie̍t	[Kr] 4d10 5s1
per shell	2, 8, 18, 18, 1
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	1234.93 K ​(961.78 °C, ​1763.2 °F)
pui-tiám	2435 K ​(2162 °C, ​3924 °F)
Me̍t-thu near Sit-vûn	10.49 g·cm−3
9.320 g·cm−3
Yùng-fa-ngie̍t	11.28 kJ·mol−1
Chîn-fat-ngie̍t	254 kJ·mol−1
Ngie̍t-yùng-liong	25.350 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 1283 1413 1575 1782 2055 2433
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	−2, −1, 1, 2, 3, 4 ​(an amphoteric oxide)
Thien-fu-sin	Pauling scale: 1.93
Thien-lì-nèn	1st: 731.0 kJ·mol−1 2nd: 2070 kJ·mol−1 3rd: 3361 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 144 pm
Khiung-ka pan-kang	145±5 pm
Van der Waals pan-kang	172 pm
Miscellanea
Chîn-thí keu-chho	​face-centered cubic (fcc)
Sâng-suk thin rod	2680 m·s−1 (at r.t.)
Ngie̍t-phàng-chong	18.9 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t	429 W·m−1·K−1
Ngie̍t-khok-san-li̍t	174 mm2·s−1 (at 300 K)
Thien-chú-li̍t	15.87 nΩ·m (at 20 °C)
Chhṳ̀-sin	diamagnetic
Young's modulus	83 GPa
Shear modulus	30 GPa
Bulk modulus	100 GPa
Poisson ratio	0.37
Mohs hardness	2.5
Vickers hardness	251 MPa
Brinell hardness	206–250 MPa
CAS Registry Number	7440-22-4
Le̍k-sú
Fat-hien	before 5000 BC
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Ngiùn ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 105Ag syn 41.2 d ε – 105Pd γ 0.344, 0.280, 0.644, 0.443 – 106mAg syn 8.28 d ε – 106Pd γ 0.511, 0.717, 1.045, 0.450 – 107Ag 51.839% – (SF) <20.512 109Ag 48.161% – (SF) <19.241 111Ag syn 7.45 d β− 1.036, 0.694 111Cd γ 0.342 –
Decay modes in parentheses are predicted, but have not yet been observed

Ngiùn (銀) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ag, ngièn-chṳ́ su-muk he 47. Ngiùn he ko-thu kîm-su̍k, tshòn-thô sin-nèn fî-sòng hau. Tshṳ-yèn ko yû-sṳ̀ vun-tó kí-ke sùn kîm-su̍k. Nè-thu kîm-su̍k khó-yî tso-sṳ̀n ngiùn-è lâu tsû-pó tén-tén yung-tshu.