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Argon, 18 Ar Spectral lines of argon
Ki-pún sèng-chit Miâ, hû-hō argon, Ar Gōa-hêng colorless gas exhibiting a lilac/violet glow when placed in a high voltage electric field Argon tī chiu-kî-piáu lāi ê ūi-tì
Goân-chú-hoan 18 Goân-chú-liōng (±) 39.948(1)[ 1] Goân-sò͘ lūi-pia̍t hi-iú khì-thé Cho̍k , hun-khu 18 cho̍k , p khu Chiu-kî tē 3 chiu-kî Tiān-chú pâi-lia̍t [Ne ] 3s2 3p6 per shell 2, 8, 8 Bu̍t-lí sèng-chit Siòng khì-thé Iûⁿ-tiám 83.81 K (−189.34 °C, −308.81 °F) Hut-tiám 87.302 K (−185.848 °C, −302.526 °F) Bi̍t-tō͘ at stp (0 °C and 101.325 kPa ) 1.784 g·L−1 1.3954 g·cm−3 Sam-siòng-tiám 83.8058 K, 68.89 kPa[ 2] Lîm-kài-tiám 150.687 K, 4.863 MPa[ 2] Iûⁿ-hoà-jia̍t 1.18 kJ·mol−1 Cheng-hoat-jia̍t 6.53 kJ·mol−1 Jia̍t-iông-liōng 20.85[ 3] J·mol−1 ·K−1 cheng-khì-ap
P (Pa)
1
10
100
1 k
10 k
100 k
tī T (K)
47
53
61
71
87
Goân-chú sèng-chit Sng-hòa-sò͘ 0 Tiān-hū-tō͘ Pauling scale: no data Tiān-lī-lêng 1st: 1520.6 kJ·mol−1 2nd: 2665.8 kJ·mol−1 3rd: 3931 kJ·mol−1 (more ) Kiōng-kè pòaⁿ-kèng 106±10 pm Van der Waals pòaⁿ-kèng 188 pm Cha̍p-lio̍k Chiⁿ-thé kò͘-chō face-centered cubic (fcc) Siaⁿ-sok 323 m·s−1 (gas, at 27 °C) Jia̍t-thoân-tō-lu̍t 17.72×10-3 W·m−1 ·K−1 Chû-sèng diamagnetic [ 4] CAS teng-kì pian-hō 7440-37-1 Le̍k-sú Hoat-hiān kap siōng chá ê tông-ūi-sò͘Lord Rayleigh and William Ramsay (1894)Chòe ún-tēng ê tông-ūi-sò͘ Chú bûn-chiong: argon ê tông-ūi-sò͘
Decay modes in parentheses are predicted, but have not yet been observed
Argon sī tī chiu-kî-pió ê 1 chióng hoà-ha̍k goân-sò͘ , goân-chú-hoan 18.