Which sequence of Group 18 elements demonstrates a gradual decrease in the strength of the Van der Waals forces? All the choices are elements in the liquid state.

A. Ar, Kr, Ne, Xe
B. Kr, Xe, Ar, Ne
C. Xe, Kr, Ar, Ne
D. Ne, Ar, Kr, Xe
View Answer

C. Xe, Kr, Ar, Ne

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