Krypton

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

Krypton,  ₃₆Kr

A krypton-filled discharge tube glowing white
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
Ar ↑ Kr ↓ Xe chhàu-sò͘ ← krypton → rubidium
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)
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% – (β−β−) 1.2556 86Sr
Decay modes in parentheses are predicted, but have not yet been observed