Question

question 2. which of the following best describes the particle arrangement and movement in a substance that is in the gas state? particles are closely packed in a fixed position and vibrate slightly. particles are closely packed but can de past one another and move slightly. particles are far apart, moving rapidly in all directions, and the substance expands to fill its container. particles are packed in a regular, repeating pattern and vibrate in place without moving.

Explanation:

In the gas - state, particles have high kinetic energy. They are far apart from each other and move rapidly in all directions. Gases expand to fill the volume of their container. The first option describes a solid (particles in fixed positions and vibrating slightly), the second option describes a liquid (particles closely packed but able to move past one another), and the fourth option also describes a solid (particles in a regular, repeating pattern and vibrating in place).

Answer:

Particles are far apart, moving rapidly in all directions, and the substance expands to fill its container.