Argon

Argon (Hon-ngî: 氬 yà) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ar, ngièn-chṳ́ su-muk he 18, chhai ngièn-su chû-khì-péu lî-tú phài thi 18 vi.

Argon,  ₁₈Ar

ngoi-kôn
colorless gas exhibiting a lilac/violet glow when placed in a high voltage electric field Spectral lines of argon
Kî-pún sin-sit
Miàng, fù-ho	Argon, Ar
ngoi-hìn	colorless gas exhibiting a lilac/violet glow when placed in a high voltage electric field
Argon chhai chû-khì-péu ke vi-chi
Ne ↑ Ar ↓ Kr Liu̍k ← Argon → Kap
ngièn-chṳ́ sì-sú	18
ngièn-chṳ́-liòng (±)	39.948(1)
ngièn-su lui-phe̍t	hî-yù hi-thí
Chhu̍k, fûn-khî	18 chhu̍k, p-block
chû-khì	period 3
thien-chṳ́ phài-lie̍t	[Ne] 3s2 3p6
per shell	2, 8, 8
vu̍t-lî sin-chṳt
Siông	hi-thí
yùng-tiám	83.81 K ​(−189.34 °C, ​−308.81 °F)
pui-tiám	87.302 K ​(−185.848 °C, ​−302.526 °F)
me̍t-thu at stp (0 °C and 101.325 kPa)	1.784 g·L−1
1.3954 g·cm−3
Sâm-siong-tiám	83.8058 K, ​68.89 kPa
lìm-kie-tiám	150.687 K, 4.863 MPa
Yùng-fa-ngie̍t	1.18 kJ·mol−1
Chîn-fat-ngie̍t	6.53 kJ·mol−1
Ngie̍t-yùng-liong	20.85 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K)   47 53 61 71 87
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	0
Thien-fu-sin	Pauling scale: no data
Thien-lì-nèn	1st: 1520.6 kJ·mol−1 2nd: 2665.8 kJ·mol−1 3rd: 3931 kJ·mol−1 (more)
Khiung-ka pan-kang	106±10 pm
Van der Waals pan-kang	188 pm
Miscellanea
Chîn-thí keu-chho	​face-centered cubic (fcc)
Sâng-suk	323 m·s−1 (gas, at 27 °C)
Ngie̍t-chhòn-thô-li̍t	17.72×10-3  W·m−1·K−1
Chhṳ̀-sin	diamagnetic
CAS Registry Number	7440-37-1
Le̍k-sú
Hoat-kiàn kap siōng chá ê tông-ūi-sò͘	Lord Rayleigh and William Ramsay (1894)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Argon ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 36Ar 0.337% – (β+β+) 0.4335 36S 37Ar syn 35 d ε 0.813 37Cl 38Ar 0.063% 38Ar is stable with 20 neutrons 39Ar trace 269 y β− 0.565 39K 40Ar 99.600% 40Ar is stable with 22 neutrons 41Ar syn 109.34 min β− 2.49 41K 42Ar syn 32.9 y β− 0.600 42K
Decay modes in parentheses are predicted, but have not yet been observed