Krypton

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Krypton,  36Kr
Krypton discharge tube.jpg
A krypton-filled discharge tube glowing white
Krypton Spectrum.jpg
Spectral lines of krypton
Ki-pún sèng-chit
Miâ, hû-hō krypton, Kr
Gōa-hêng colorless gas, exhibiting a whitish glow in a high electric field
Krypton tī chiu-kî-piáu lāi ê ūi-tì
Chúi-sò͘ (siang-goân-chú hui-kim-sio̍k)
Helium (hi-iú khì-thé)
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Phêng-sò͘ (lūi-kim-sio̍k)
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Chit-sò͘ (siang-goân-chú hui-kim-sio̍k)
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Hut-sò͘ (siang-goân-chú hui-kim-sio̍k)
Ne-óng (hi-iú khì-thé)
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Ar

Kr

Xe
chhàu-sò͘kryptonrubidium
Goân-chú-hoan 36
Goân-chú-liōng (±) 83.798(2)[1]
Goân-sò͘ lūi-pia̍t   hi-iú khì-thé
Cho̍k, hun-khu 18 cho̍k, p khu
Chiu-kî tē 4 chiu-kî
Tiān-chú pâi-lia̍t [Ar] 3d10 4s2 4p6
per shell 2, 8, 18, 8
Bu̍t-lí sèng-chit
Siòng khì-thé
Iûⁿ-tiám 115.78 K ​(−157.37 °C, ​−251.27 °F)
Hut-tiám 119.93 K ​(−153.415 °C, ​−244.147 °F)
Bi̍t-tō͘ at stp (0 °C and 101.325 kPa) 3.749 g·L−1
2.413 g·cm−3[2]
Sam-siòng-tiám 115.775 K, ​73.53 kPa[3][4]
Lîm-kài-tiám 209.48 K, 5.525 MPa[4]
Iûⁿ-hoà-jia̍t 1.64 kJ·mol−1
Cheng-hoat-jia̍t 9.08 kJ·mol−1
Jia̍t-iông-liōng 20.95[5] J·mol−1·K−1
cheng-khì-ap
P (Pa) 1 10 100 1 k 10 k 100 k
tī T (K) 59 65 74 84 99 120
Goân-chú sèng-chit
Sng-hòa-sò͘ 2, 1, 0 ​(rarely more than 0; unknown oxide)
Tiān-hū-tō͘ Pauling scale: 3.00
Tiān-lī-lêng 1st: 1350.8 kJ·mol−1
2nd: 2350.4 kJ·mol−1
3rd: 3565 kJ·mol−1
Kiōng-kè pòaⁿ-kèng 116±4 pm
Van der Waals pòaⁿ-kèng 202 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō face-centered cubic (fcc)
Face-centered cubic crystal structure for krypton
Siaⁿ-sok (gas, 23 °C) 220 m·s−1
(liquid) 1120 m·s−1
Jia̍t-thoân-tō-lu̍t 9.43×10−3  W·m−1·K−1
Chû-sèng diamagnetic[6]
CAS teng-kì pian-hō 7439-90-9
Le̍k-sú
Hoat-hiān kap siōng chá ê tông-ūi-sò͘ William Ramsay and Morris Travers (1898)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: krypton ê tông-ūi-sò͘
iso NA half-life DM DE (MeV) DP
78Kr 0.35% >1.1×1020 y (β+β+) 2.846 78Se
79Kr syn 35.04 h ε 79Br
β+ 0.604 79Br
γ 0.26, 0.39, 0.60
80Kr 2.25% 80Kr is stable with 44 neutrons
81Kr trace 2.29×105 y ε 81Br
γ 0.281
82Kr 11.6% 82Kr is stable with 46 neutrons
83Kr 11.5% 83Kr is stable with 47 neutrons
84Kr 57.0% 84Kr is stable with 48 neutrons
85Kr syn 10.756 y β 0.687 85Rb
86Kr 17.3% (ββ) 1.2556 86Sr
Decay modes in parentheses are predicted, but have not yet been observed

Krypton sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 36, hoà-ha̍k hû-hō sī Kr.


  1. Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
  2. Krypton. encyclopedia.airliquide.com
  3. "Section 4, Properties of the Elements and Inorganic Compounds; Melting, boiling, triple, and critical temperatures of the elements". CRC Handbook of Chemistry and Physics (85th pán.). Boca Raton, Florida: CRC Press. 2005. 
  4. 4.0 4.1 Pang-bô͘:RubberBible92nd
  5. Shuen-Chen Hwang, Robert D. Lein, Daniel A. Morgan (2005). "Noble Gases". Kirk Othmer Encyclopedia of Chemical Technology. Wiley. pp. 343–383. doi:10.1002/0471238961.0701190508230114.a01.
  6. Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., pian. (2005). CRC Handbook of Chemistry and Physics (86th pán.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.