Rank the real gases according how they resemble an ideal gas: co, ne, n2, he, and nh3

least to most ideal
NH3
 CO
 N2,
 Ne
He 
n2, Ne, and He have dispersion forces, which are the weak intermolecular attraction for small molecules
. He is smaller than Ne, which is smaller than N2. CO and NH3 have dipole forces, which are stronger than dispersion forces. NH3 has hydrogen bonding. 

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