Matter & Particles
What is matter?
A substance with only one kind of particle is called a _______________________.
Pure Substance
What is the solute?
What type of solution is air?
gas in gas
What does solubility mean?
The ability of a substance to dissolve
According to particle theory, particles are always doing what?
Moving
Is pizza a pure substance or mixture?
Mixture
What is the solvent?
The substance doing the dissolving
What type of solution is pop?
gas in liquid
Is sand soluble or insoluble in water?
insoluble
What happens to particles when temperature increases?
They move faster
What type of mixture has visible different parts?
Mechanical mixture
In salt water, what is the solvent?
Water
What type of solution is salt water?
solid in liquid
Name ONE factor that affects solubility.
Temperature, stirring, or particle size
Name TWO states of matter.
Solid, Liquid, or Gas
What type of mixture looks evenly mixed?
Solution
What type of mixture is a solution: homogeneous or heterogeneous?
Homogeneous
What type of solution is brass?
solid in solid
Why does hot water dissolve substances faster?
particles move faster in hot water
What are the 5 main ideas of particle theory?
1. Matter is made of tiny particles
2. Particles have spaces between them
3. Particles are always moving
4. Particles attract each other
5. Higher temperature = faster movement
What is the difference between a pure substance and a mixture?
A pure substance contains one kind of particle, while a mixture contains two or more substances combined.
Explain what happens to particles when something dissolves.
Name all five types of solutions.
1. gas in gas
2. gas in liquid
3. liquid in liquid
4. solid in liquid
5. solid in solid
What is a saturated solution?
A solution where no more solute can dissolve