SC1 Flashcards
1
Q
What are the states of matter
A
solid, liquid, gas
2
Q
Describe the particle model of a gas
A
-particles arranged randomly and far apart
-movement of particles is fast
3
Q
Describe the particle model of a liquid
A
-particles arranged randomly and close together
-movement of particles, move around each other
4
Q
Describe the particle model of a solid
A
-particles arranged regular and close together
-movement of particles vibrate about fixed positions
5
Q
What type of change is a state change
A
a physical change
6
Q
Do chemical properties of a substance change
A
no they don’t change
7
Q
Why don’t the chemical properties of a substance change?
A
