Which of the following is a state of matter in which one would expect the atoms or molecules to move about freely but also to expand or contract as the size of the container changes?
A)solid
B)liquid
C)gas
D)plasma

Question

Quizplus · Accepted Answer

The state of matter described where atoms or molecules move freely but also expand or contract with container changes is a gas. In contrast, solids have a fixed shape and volume, and liquids have a fixed volume but take the shape of their container. Plasma is a high-energy state found in extreme conditions such as stars and lightning, and is not relevant to the description given.

Which of the Following Is a State of Matter in Which