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稀有氣體性質表.
這個頁面包含了稀有氣體大部分的主要數據,包括物理數據及原子數據等等。
物理性質 |
條件 |
單位 |
氦 |
氖 |
氬 |
氪 |
氙 |
氡
|
密度[1] |
液態,1大氣壓,在沸點時 |
g/dm³ |
125.0 |
1207 |
1393.9 |
2415 |
3057 |
4400
|
密度[1] |
液態,在三相點時 |
g/dm³ |
– |
1247 |
1415 |
2451 |
3084 |
–
|
熱導率[1] |
液態,在沸點時 |
mW·m−1·K−1 |
31.4 |
129.7 |
121.3 |
88.3 |
73.2 |
–
|
電容率[3] |
液態 |
|
1.055 (2.06–2.63K 下) |
1.53 (−191°C 下) |
– |
– |
– |
–
|
物理性質 |
條件 |
單位 |
氦 |
氖 |
氬 |
氪 |
氙 |
氡
|
密度[2] |
氣態,標準狀況下 |
g/dm³ |
0.1786 |
0.9002 |
1.7818 |
3.708 |
5.851 |
9.97
|
黏度[2] |
|
kPa·s |
186 |
297 |
210 |
233 |
211 |
–
|
熱導率[4] |
0°C時 |
J·s−1·m−1·K−1 |
0.1418 |
0.0461 |
0.0169 |
0.00874 |
0.00506 |
–
|
平均自由程[2] |
標準狀況下 |
nm |
192.66 |
135.36 |
68.33 |
52.34 |
37.88 |
–
|
溶解度[4] |
20°C,水 |
cm3/kg |
8.61 |
10.5 |
33.6 |
59.4 |
108.1 |
230
|
磁化率[2] |
|
cgs制,每mol |
−0.0000019 |
−0.0000072 |
−0.0000194 |
−0.000028 |
−0.000043 |
–
|
等壓熱容Cp[1] |
氣態,1大氣壓下 |
J·mol−1·K−1 |
20.78 |
20.79 |
20.85 |
20.95 |
21.01 |
21
|
音速[1] |
標準狀況下 |
m/s |
973 |
433 |
307.8 |
213 |
168 |
–
|
熱導率[1] |
氣態,標準狀況下 |
mW·m−1·K−1 |
141.84 |
46.07 |
16.94 |
8.74 |
5.06 |
–
|
摩爾折射度[5] |
D線 |
cm3 |
0.521 |
1.004 |
4.203 |
6.397 |
10.435 |
–
|
電容率[3] |
氣態 |
|
1.0000684[註 1] |
1.000545[註 2] |
1.000127 |
– |
– |
–
|
凡得瓦常數a[3] |
|
L2bar/mol2 |
0.03412 |
0.2107 |
1.345 |
2.318 |
4.194 |
–
|
凡得瓦常數b[3] |
|
L/mol |
0.02370 |
0.01709 |
0.03219 |
0.03978 |
0.05105 |
–
|
物理性質 |
氦 |
氖 |
氬 |
氪 |
氙 |
氡
|
沸點(°C)[2] |
−268.8 |
−245.9 |
−185.8 |
−151.7 |
−106.6 |
−61.7
|
熔點(°C)[2] |
−272.2 |
−248.5 |
−189.6 |
−157.4 |
−111.5 |
−71.0
|
臨界溫度(K)[2] |
5.25 |
44.5 |
150.85 |
209.35 |
289.74 |
378.15
|
臨界壓力(atm)[2] |
2.26 |
26.9 |
48.3 |
54.3 |
57.64 |
62
|
臨界密度(g/mL)[2] |
0.0693 |
0.484 |
0.536 |
0.908 |
1.100 |
–
|
三相點的溫度(K)[1] |
2.19[6] |
24.562 |
83.80 |
115.76 |
161.37 |
202
|
三相點的壓力(kPa)[1] |
5.1[6] |
43.37 |
68.90 |
73.15 |
81.66 |
70
|
原子數據 |
氦 |
氖 |
氬 |
氪 |
氙 |
氡
|
原子序數[4] |
2 |
10 |
18 |
36 |
54 |
86
|
原子量[4] |
4.002602(2) |
20.1797(6) |
39.948(1) |
83.80(1) |
131.29(2) |
(222)
|
自然界中的同位素數量[4] |
2 |
3 |
3 |
6 |
9 |
(1)
|
外层電子排布[4] |
1s2 |
2s22p6 |
3s23p6 |
4s24p6 |
5s25p6 |
6s26p6
|
計算得到的原子半徑(pm)[2] |
31 |
38 |
71 |
88 |
108 |
120
|
第一電離能(kJ/mol)[4] |
2372 |
2080 |
1520 |
1351 |
1170 |
1037
|
靜電極化率(Å3)[2] |
0.204 |
0.392 |
1.63 |
2.465 |
4.01 |
–
|
電負性(阿倫標度) |
4.16 |
4.79 |
3.24 |
2.97 |
2.58 |
–
|
豐度 |
氦 |
氖 |
氬 |
氪 |
氙 |
氡
|
太陽系中的含量[7] |
2343 |
2.148 |
0.1025 |
5.515 × 10−5 |
5.391 × 10−6 |
–
|
地球上的含量(體積比,ppm)[8] |
5.20 |
18.20 |
9340.00 |
1.10 |
0.09 |
微量
|
火成岩中的含量(質量比,ppm)[4] |
3 × 10−3 |
7 × 10−5 |
4 × 10−2 |
– |
– |
1.7 × 10−10
|
氣態 |
2004年的價格(USD/m3)[1]
|
氦(工業級) |
4.20–4.90
|
氦(實驗室級) |
22.30–44.90
|
氬 |
2.70–8.50
|
氖 |
60–120
|
氪 |
400–500
|
氙 |
4000–5000
|
- ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 Shuen-Chen Hwang, Robert D. Lein, Daniel A. Morgan. Noble Gases. Kirk Othmer Encyclopedia of Chemical Technology. Wiley. 2005: 343–383. doi:10.1002/0471238961.0701190508230114.a01.
- ^ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 Noble Gas. Encyclopædia Britannica. 2008 [2009-03-21]. (原始内容存档于2008-05-15).
- ^ 3.0 3.1 3.2 3.3 Lide, D. R. (Ed.). CRC Handbook of Chemistry and Physics (70th Edn.). Boca Raton (FL):CRC Press. 1990.
- ^ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 Greenwood, N. N.; Earnshaw, A. Chemistry of the Elements 2nd. Oxford:Butterworth-Heinemann. 1997. ISBN 0-7506-3365-4.
- ^ Peter Häussinger, Reinhard Glatthaar, Wilhelm Rhode, Helmut Kick, Christian Benkmann, Josef Weber, Hans-Jörg Wunschel, Viktor Stenke, Edith Leicht, Hermann Stenger. Noble gases. Ullmann's Encyclopedia of Industrial Chemistry. Wiley. 2002. doi:10.1002/14356007.a17_485.
- ^ 6.0 6.1 Lambda point for pure 4He from Yunus A. Cengel, Robert H. Turner. Fundamentals of thermal-fluid sciences. McGraw-Hill, 2004, p. 78. ISBN 0072976756
- ^ Katharina Lodders. Solar System Abundances and Condensation Temperatures of the Elements. The Astrophysical Journal. 2003, 591: 1220–1247. doi:10.1086/375492.
- ^ The Atmosphere. National Weather Service. [2008-06-01]. (原始内容存档于2019-10-24).
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