Which of the following atoms is most reactive?

1)Ca
2)Kr
3)Sc
4)K

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

The ammonia molecule in the diagram has the observed bond orientation because

Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?