noble gas (data page) 

Statements about this table:
the physical property critical density (g / ml) have an argon of 0536 and a neon of 0484
for the physical property triple point pressure (kpa) , xenon have 81.66 and helium have 5.1
the physical property of critical density (g / ml) for helium be 0.0693
81.66 xenon have more helium than 202 xenon
helium of 0.0693 do not have the property of critical density (g / ml)
argon (0.484 g / ml) have a lower critical density than neon (0.536 g / ml)
the critical pressure of krypton be below 48.3
the melt point of helium , argon , and neon be - 111.5°c , - 248.5°c , and - 189.6°c , respectively
physical property
helium
neon
argon
krypton
xenon
boiling point (degree)
268.8
245.9
185.8
151.7
106.6
melting point (degree)
-
248.5
189.6
157.4
111.5
critical temperature (k)
5.25
44.5
150.85
209.35
289.74
critical pressure (atm)
2.26
26.9
48.3
54.3
57.64
physical property
helium
neon
argon
krypton
xenon
critical density (g / ml)
0.0693
0.484
0.536
0.908
1.100
triple point temperature (k)
24.562
83.80
115.76
161.37
202
triple point pressure (kpa)
5.1
43.37
68.90
73.15
81.66