Which of the following gases would you expect to have the largest van der Waals a constant value? A)Kr B)N₂ C)O₂ D)H₂ E)Ne

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The van der Waals a constant is a measure of the attraction between gas molecules. Larger molecules or atoms generally have larger a constants because they have more electrons, leading to stronger London dispersion forces. Among the given options, Krypton (Kr) is the largest atom and thus would be expected to have the largest van der Waals a constant value.

Which of the Following Gases Would You Expect to Have