Adiabatic Index
1HHydrogen1.4
2HeHelium1.67
7NNitrogen1.4
8OOxygen1.4
9FFluorine1.4
10NeNeon1.67
17ClChlorine1.4
18ArArgon1.67
36KrKrypton1.67
54XeXenon1.67
86RnRadon1.67