Degree of freedom for different gases: Atomicity of gas Degrees of Freedom Example A B f = 3A – B Monoatomic He, Ne, Ar 1 0 f = 3 Diatomic O2 2 1 f = 5 Triatomic non-linear NH3 3 3 f = 6 Triatomic linear CO2 3 2 f = 7 Degrees of freedom in solid Solids don’t have...