Which one of the following substances would be expected to have the weakest intermolecular attractive forces? He LI Be R = 0.0821 atm L/ mol K BCNOE Ne = 8.314 J/ mol K Al SI PS Ar "n "v "cr Mn "Fe "co "NI Zn Ga Ge As Se Br Kr Rb Ru Pd Ag CdIn Sn Sb Xe Li Lu L O CH4 O PH3 O SİH4 O AsH3

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