states of matter Flashcards
(8 cards)
1
Q
matter properties
A
- solids have fixed volume + shape
- liquids have fixed volume not fixed shape
- gas have no fixed volume or shape (expand)
2
Q
solid structure
A
- lattice
- vibrate in fixed positions
- touching
3
Q
liquid structure
A
- random
- slide over eachother
- touching
4
Q
gas structure
A
- random
- fast + random directions
- not touching
5
Q
effect of temperature + pressure on gas volume
A
- temperature increase = increase (move far)
- pressure increase = decrease
6
Q
state changes
A
- as temp ____ k.e of particles ______
- vibrate/move ______ and push eachother apart/come closer
- at ______ point they’ve enough energy to break free from attractive forces/forces build up enough so that
- ____ changes to ____
7
Q
diffusion
A
net movement of particles from high to low concentration due to their random motion
8
Q
effect of Mr on diffusion
A
lighter = faster diffusion
