Matter and Measurements Review On-Level Chemistry
TOPIC LIST:
1. Choose appropriate equipment and read graduated scales.
2. Identify physical properties as being intensive or extensive.
3. Calculate density
4. Differentiate between chemical and physical properties.
5. Differentiate between chemical and physical changes.
6. Differentiate between properties and changes.
7. Distinguish between pure substances and mixtures.
8. Know separation techniques for mixtures and choose an appropriate method.
9. Understand states of matter.
Elements, Compounds, and Mixtures
Classify each of the pictures below by placing the co
ect label in the blanks below.
A = Element D = Mixture of Compounds
B = Compound E = Mixture of Elements and Compounds
C = Mixture of Elements
Part 1: Each circle represents an atom and each different color represents a different kind of atom. If two
atoms are touching then they are bonded together.
1. _____ 2. _____ 3. _____
4. _____ 5. _____ 6. _____
7. _____ 8. _____ 9. _____
10. _____ 11. _____ 12. _____
Need to review the states of matter​: ​link
​MATTER:
property solid liquid gas
Density
High, intermediate, low
Compressibility
High or low
Volume
Constant or variable
Shape
Constant or variable
Structure
Ordered or disordered
Need to review mixtures and substances? Click ​here
1. How do mixtures and substances differ? (What is a pure substance?)
2. Classify each of the following as either a heterogeneous or homogeneous mixture.
a. orange juice with pulp _________________
. tap water _________________
c. steel (a blend of iron and ca
on) _________________
d. air _________________
e. raisin muffin _________________
https:
www.youtube.com/watch?v=KCL8zqjXbME
https:
www.youtube.com/watch?v=pWZlICXw3Ng
3. Label each substance as either an element or a compound.
a. Silicon _________________
. Sodium chloride _________________
c. Francium _________________
d. Nickel _________________
e. Ice _________________
f. Oxygen (O​
2​) _________________
Need to review physical and chemical properties​? Click ​here
4. Classify each of the following as a ​CP ​(chemical​ ​property)​ ​or​ CC ​(chemical change), or ​PP ​(physical
property)​ ​or​ PC ​(physical change). For physical properties​ ​determine whether they are intensive or
Extensive, ​I​ or ​E​ on the right.
CC, CP, PP, or PC I or E
a. ________ Iron and oxygen form rust. ________
. ________ Boiling ________
c. ________ Magnesium burns
ightly when ignited. ________
d. ________ Crumpling ________
e. ________ Ca
on dioxide is a colorless gas. ________
f. ________ Rotting milk ________
g. ________ A sample of iron has a mass of 25 g. ________
h. ________ Ability to burn ________
i. ________ Condensing ________
j. ________ Co
oding ________
k. ________ Ability to melt ________
l. ________ Oil and water do not mix. ________
m. ________ Flammability ________
n. ________ Copper conducts electricity. ________
o. ________ Mercury melts at –39C. ________
p. ________ Oxidizing ________
https:
www.youtube.com/watch?v=QfNGEpXwp1U
q. ________ Tarnishing ________
. ________ Iron is denser than aluminum. ________
s. ________ Ability to explode ________
t. ________ Vaporizing ________
5. Describe the separation technique that could be used to separate each of the following mixtures.
a. A non-dissolving solid mixed with a liquid
. Red and blue ma
les of the same size and mass
c. A mixture of iron and sulfu
6. Why does oil float on water?
7. Outline a process for determining if a sample is a compound or a solution.
8. Describe each of the following separation techniques and identify what each technique might be used
for in a laboratory situation:
a. Filtration
. Decanting
c. Simple Distillation
9. Record the co
ect measurement from the equipment shown:
XXXXXXXXXXb. __________
c.____________
Need to review density?​ Click ​here
10. An object has a mass of 75.3 grams and a density of 2.70 g/mL. What is the object’s volume?
11.What is the volume of a sample that has a mass of 23.4 g and a density of 4.1 g/mL?
https:
youtu.be/kE8I_M2pyg8
12.A piece of metal with a mass of 147 g is placed in a 50 mL graduated cylinder. The water level rises
from 20.0 mL to 41.5 mL. What is the density of the metal?
13.A graduated cylinder contains 25.0 mL of water. A zinc cylinder is slid into the water and the volume
increases to 32.3 mL. If the density of zinc is 7.14 g/mL, what is the sample’s mass?
14.A sample of unknown material has a volume of 12.29 mL and a mass of 101.3 grams. Pure aluminum
has a density of 2.7 g/cm​3​. Is the sample composed of pure aluminum? (why or why not)