Question

Which gas would have the slowest rate of diffusion, assuming that all gases are at the same temperature?

A. Krypton (atomic mass 83.8amu)

B. Argon (atomic mass 39.95amu)

C. Xenon (atomic mass 131.3amu)

D. Radon (atomic mass 222amu)

Answer 1

Xenon has the slowest rate of diffusion due to its high atomic mass.

Step-by-step explanation:

The gas with the slowest rate of diffusion would be Xenon (atomic mass 131.3 amu). The rate of diffusion is inversely proportional to molecular mass, so the more massive molecules diffuse more slowly. As Xenon has the highest atomic mass among the given options, it would have the slowest rate of diffusion.