Particle Theory of Matter
Classification
Physical and Chemical Properties I
Physical and Chemical Changes II
Density
100
The following statement is true regarding liquids:
Small amounts of liquids can fill up a container.
If incorrect, fix the bolded term.
Statement is incorrect.
Small amounts of gas can fill up a container.
100
Carbon dioxide is classified as a(n)...
compound
(contains two different elements: carbon and oxygen)
100
Name 3 Physical Properties
Possible answers: Colour, Odour, Texture, Lustre, Clarity, Taste, State, Hardness, Malleability, Ductility, Melting Point, Boiling Point, Solubility, Viscosity, Density, Mass, Volume, Dimensions
100
Sublimation is the change from ______ to _____ and it is a _______ change.
Sublimation is the change from solid to gas and it is a physical change.
100
The density of water is...
approximately ~1g/cm3 or ~1 g/mL
200
Matter can be quantified in two ways. They are...
1._______?
2._______?
1. Mass
2. Volume
200
Solutions contains two parts: __________ and __________.
Solutions contains two parts: solutes and solvents.
200
Name three Chemical Properties
Possible Answers: Combustibility, Reactivity with Oxygen/Acid/Water, Sensitivity to Light, Flammability, Rusting, Corrosion
200
True or false: Melting and freezing happens at the same temperature
True!
200
Three liquids were poured into the same container. Liquid X has a density of 1.784 g/mL, Liquid Y has a density of 1.790 g/mL, and Liquid Z has a density of 1.789 g/mL. In order, from the bottom to top, will the liquids appear in once enough time has passed for the liquids to separate?
Top: Liquid X
Middle: Liquid Z
Bottom: Liquid Y
300
This image shows that...
Gas has mass.
300
List one example of each:
1. Heterogeneous mixture
2. Homogenous mixture
Class must agree that the two examples are valid examples of the mixtures classifications.
300
What is the difference between malleability and ductility?
Malleability: ability to be bent into different shapes
Ductility: can be pulled into long thin wires
300
Name two signs of chemical changes
Colour Change
Gas formation
Producing Electricity
Precipitation
300
The density of a liquid that has a mass of 4.0 g and a volume of 5.2 mL is...
0.77 g/mL
400
The process of dissolving shows that...
there is space between particles.
400
Name the three subcategories of Mechanical mixtures (heterogenous)
1. Ordinary mechanical mixture
2. Suspensions
3. Colloids
400
Name 3 physical properties
Possible answers:
Colour: copper/brown
Has lustre (shine)
Ductile
Solid
400
Frost forming on car windows during winter (gas to solid) is what change in state?
Deposition
400
The mass of an object with a density of 7.2 g/cm3 and a volume of 6.5 cm3 is...
46.8 g
500
There are 5 main ideas to the Particle theory of matter. They are....
1. All matter is made up of tiny particles.
2. Different substances are made up of different particles.
3. Particles are in constant motion.
4. Particles attract each other, and this force gets stronger as particles get closer.
5. Particles move faster when temperature increases.
500
Classify the following:
Heterogenous mixture: Suspension
500
Name the physical or chemical property:
Reactivity with water/acids/bases
500
The change in this is...
Precipitation
500
The volume of a gas that has a mass of 15.8 g and a density of 2.6 g/mL is...
6.1 mL