solids liquids and gases

Question 1

what are the arrangement of solids?

Answer 1

particles are closely packed together in a regular arrangement
strong forces of attraction between particles
vibrate around fixed positions

Question 2

what is the arrangement of particles in a liquid?

Answer 2

close together
can slide past eachother
forces of attraction between the particles are weaker than in a solid

Question 3

what is the arrangement of particles in a gas?

Answer 3

very weak forces of attraction
far apart
able to move quickly and randomly in all directions

Question 4

what is the order of density (least dense to most dense)?

Answer 4

gas, liquid, solid s

Question 5

solids have what type of shape and volume?

Answer 5

a fixed shape and volume

Question 6

what type of shape and volume do liquids have?

Answer 6

no fixed shape
fixed volume

Question 7

what type of shape and volume does a gas have?

Answer 7

no fixed shape
no fixed volume

Question 8

what causes pressure in a gas?

Answer 8

particles colliding with eachother and the surface of the container- creating pressure

Question 9

what are the 4 changes of state?

Answer 9

melting
boiling
freezing
condensing

Question 10

when does condensation occur?

Answer 10

when a gas turns back into a liquid