How do particle speeds differ among solid, liquid, and gas?

How do particle speeds differ among solid, liquid, and gas?

• A. Solids have fast particle movement; liquids have moderate; gases have slow.
• B. Solids have tightly packed particles with little movement; liquids have more movement and flow; gases have fast, random movement with lots of space between particles.
• C. All states have the same particle movement regardless of state.
• D. Solids have the least movement; liquids have similar movement; gases have no movement.

Answer: (B)