Helium gas and argon gas are combined in a sealed container at room temperature and pressure (r.t.p.). What occurs when both gases are in the container?
- AArgon and helium atoms become evenly mixed throughout the container even though they have different masses.
- BArgon and helium atoms both move towards the bottom of the container. The argon atoms settle more quickly because they are larger and heavier.
- CArgon and helium atoms both move towards the bottom of the container. The helium atoms settle more quickly because they are smaller and lighter.
- DArgon atoms move to the bottom of the container because they are heavier. Helium atoms move to the top of the container because they are lighter.