remain a mixture. remain a compound. become an element. become a compound.
I gave my students this multiple choice question: As the molecules of water begin to slow down they go into a phase where they are no longer able to easily move past each other. The water is passing through a phase change and will

Only one answer is correct among these 4 choices:
- remain a mixture.
- remain a compound.
- become an element.
- become a compound.

Could you tell me which one is correct?

remain a compound.