states of matter Flashcards
1
Q
what are the properties of a solid?
A
Particles in solids have strong attractive forces and are held in a fixed position. They do not compress or flow
2
Q
what are the properties of a liquid?
A
Particles in a liquid have moderate attractive forces they are always in contact but can move about at random. They do not compress but can flow
3
Q
what are the properties of a gas?
A
Particles in a gas have weak attractive forces, they move about randomly can be compressed and flow. They are the least dense.
4
Q
what happens to the number of particles when an object changes?
A
When an object changes state the number of particles stays the same.
