How are the particles arranged in a solid?

Close together in a regular arrangement, vibrating in fixed positions

Why does a gas have no fixed shape or volume?

Its particles are far apart and move quickly in all directions

Gas particles have large spaces between them

The energy supplied overcomes forces between particles rather than speeding them up

Particles spreading from high to low concentration until evenly spread

Gas particles move faster and are further apart

A substance made of only one kind of atom

Two or more elements chemically combined in a fixed ratio

They are close together, arranged randomly, and slide past one another

They gain energy and move or vibrate faster

14questions. Pick an answer and you'll see why right away.

How are the particles arranged in a solid?
Why does a gas have no fixed shape or volume?
Why can a gas be compressed but a solid cannot?
Which change of state is melting?
Why does the temperature stay constant while a pure solid is melting?
What is diffusion?
Why is diffusion faster in gases than in liquids?
What is an element?
What is a compound?
How can the parts of a mixture be separated?
Which change of state is condensation?
Which statement about the particles in a liquid is correct?
When energy is supplied to a substance, what happens to its particles before a change of state?
Air is best described as which of the following?