Phases of Matter - Chapter 1 Flashcards
What is the lengths of bonds measured in
Angstroms (Å)
Matter definition
Anything that has a mass and takes up volume
Properties of solids
Fixed volume
Particles close together
Vibrate but don’t move
Heat turns to liquid
Properties of liquids
Fixed volume
Particles close together but loose
Can flow
Heat turns to gas
Properties of gases
No fixed volume
Particles far apart
Move fast
Collide
Diffusion definition
Spreading out of particles from a region of high particle concentration to low concentration
Concentration definition
The number of particles in a defined volume
Phases and their symbols
Solid
Liquid
Gas
Aqueous
s
l
g
aq
Aqueous definition
Dissolved in water
Experiment to prove diffusion
Purple kMnO4 (potassium permanganate) solution is placed in a test tube containing water. After a while it will start to mix then finally completely mix