Krypton, 36 Kr
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
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
78 Kr
0.35%
>1.1×1020 y
(β+ β+ )
2.846
78 Se
79 Kr
syn
35.04 h
ε
–
79 Br
β+
0.604
79 Br
γ
0.26, 0.39, 0.60
–
80 Kr
2.25%
80 Kr is stable with 44 neutron s
81 Kr
trace
2.29×105 y
ε
–
81 Br
γ
0.281
–
82 Kr
11.6%
82 Kr is stable with 46 neutrons
83 Kr
11.5%
83 Kr is stable with 47 neutrons
84 Kr
57.0%
84 Kr is stable with 48 neutrons
85 Kr
syn
10.756 y
β−
0.687
85 Rb
86 Kr
17.3%
–
(β− β− )
1.2556
86 Sr
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.
Chham-khó
↑ Standard Atomic Weights 2013 . Commission on Isotopic Abundances and Atomic Weights
↑ Krypton Archived 2013-07-29 at the Wayback Machine .. encyclopedia.airliquide.com
↑ "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.
↑ 4.0 4.1 Haynes, William M., pian. (2011). CRC Handbook of Chemistry and Physics (92nd pán.). Boca Raton, FL: CRC Press . p. 4.121. ISBN 1439855110 .
↑ 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.
↑ 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 .