Respuesta :

A. krypton (atomic mass 83.8 amu)

B. argon (atomic mass 39.95 amu)

C. xenon (atomic mass 131.3 amu)

D. radon (atomic mass 222 amu)

hope this helps!

Answer:

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

The answer is- Kr (Krypton)