Krypton, 36Kr
A krypton-filled discharge tube glowing white |
Spectral lines of krypton |
Ki-pún sèng-chit |
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Miâ, hû-hō |
krypton, Kr |
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Gōa-hêng |
colorless gas, exhibiting a whitish glow in a high electric field |
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Krypton tī chiu-kî-piáu lāi ê ūi-tì |
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|
Goân-chú-hoan |
36 |
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Goân-chú-liōng (±) |
83.798(2)[1] |
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Goân-sò͘ lūi-pia̍t |
hi-iú khì-thé |
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Cho̍k, hun-khu |
18 cho̍k, p khu |
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Chiu-kî |
tē 4 chiu-kî |
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Tiān-chú pâi-lia̍t |
[Ar] 3d10 4s2 4p6 |
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per shell |
2, 8, 18, 8 |
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Bu̍t-lí sèng-chit |
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Siòng |
khì-thé |
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Iûⁿ-tiám |
115.78 K (−157.37 °C, −251.27 °F) |
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Hut-tiám |
119.93 K (−153.415 °C, −244.147 °F) |
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Bi̍t-tō͘ at stp (0 °C and 101.325 kPa) |
3.749 g·L−1 |
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2.413 g·cm−3[2] |
Sam-siòng-tiám |
115.775 K, 73.53 kPa[3][4] |
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Lîm-kài-tiám |
209.48 K, 5.525 MPa[4] |
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Iûⁿ-hoà-jia̍t |
1.64 kJ·mol−1 |
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Cheng-hoat-jia̍t |
9.08 kJ·mol−1 |
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Jia̍t-iông-liōng |
20.95[5] J·mol−1·K−1 |
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cheng-khì-ap
P (Pa)
|
1
|
10
|
100
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1 k
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10 k
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100 k
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tī T (K)
|
59
|
65
|
74
|
84
|
99
|
120
| |
Goân-chú sèng-chit |
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Sng-hòa-sò͘ |
2, 1, 0 (rarely more than 0; unknown oxide) |
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Tiān-hū-tō͘ |
Pauling scale: 3.00 |
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Tiān-lī-lêng |
1st: 1350.8 kJ·mol−1 2nd: 2350.4 kJ·mol−1 3rd: 3565 kJ·mol−1 |
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Kiōng-kè pòaⁿ-kèng |
116±4 pm |
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Van der Waals pòaⁿ-kèng |
202 pm |
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Cha̍p-lio̍k |
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Chiⁿ-thé kò͘-chō |
face-centered cubic (fcc) |
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Siaⁿ-sok |
(gas, 23 °C) 220 m·s−1 (liquid) 1120 m·s−1 |
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Jia̍t-thoân-tō-lu̍t |
9.43×10−3 W·m−1·K−1 |
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Chû-sèng |
diamagnetic[6] |
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CAS teng-kì pian-hō |
7439-90-9 |
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Le̍k-sú |
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Hoat-hiān kap siōng chá ê tông-ūi-sò͘ |
William Ramsay and Morris Travers (1898) |
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Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: krypton ê tông-ūi-sò͘ |
iso
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NA
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half-life
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DM
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DE (MeV)
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DP
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78Kr
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0.35%
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>1.1×1020 y
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(β+β+)
|
2.846
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78Se
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79Kr
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syn
|
35.04 h
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ε
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–
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79Br
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β+
|
0.604
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79Br
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γ
|
0.26, 0.39, 0.60
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–
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80Kr
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2.25%
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80Kr is stable with 44 neutrons
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81Kr
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trace
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2.29×105 y
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ε
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–
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81Br
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γ
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0.281
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–
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82Kr
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11.6%
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82Kr is stable with 46 neutrons
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83Kr
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11.5%
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83Kr is stable with 47 neutrons
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84Kr
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57.0%
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84Kr is stable with 48 neutrons
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85Kr
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syn
|
10.756 y
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β−
|
0.687
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85Rb
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86Kr
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17.3%
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–
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(β−β−)
|
1.2556
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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.