SNC 1P1
Date: ________________
CHEMISTRY UNIT REVIEW
1. Define the following terms.
a. Quantitative observation
b. Qualitative observation
2. Identify the following observations as either qualitative or quantitative:
a. The dog weighs 17.5 kg.
______________
b. The solution was yellow.
______________
c. The metal strip was very easy to bend.
______________
d. The temperature today is 4°C.
______________
e. The music was extremely loud.
______________
3. Provide the physical property that best matches the description.
a. The scent of a substance.
______________
b. Being transparent, translucent, or opaque.
______________
c. Measures how easily a liquid flows.
______________
d. Being sweet, sour, salty, or bitter.
______________
e. Ability to break apart or shatter easily.
______________
f. Being solid, liquid, or gas.
______________
g. The “feel” of an object.
______________
h. Ability to reflect light.
______________
4. Define the following terms.
a. Physical change
b. Chemical change
5. State the five signs that a chemical change has taken place.
a. __________________________________________
b. __________________________________________
c. __________________________________________
d. __________________________________________
e. __________________________________________
6. Complete the following chart of physical and chemical changes.
Physical (P) or
Statement
Chemical (C)
a
b
c
d
e
f
Reason
When a steak cooks, it turns brown.
Alka-seltzer tablets fizz when placed
into water.
The vase dropped on the floor and
shattered.
Rubbing alcohol dries very quickly on
your skin.
When water is added to acid it gets
very warm.
The wood in the campfire burns
brightly.
7. Fill in the blanks to complete the statements on the Particle Theory.
moving
stronger
large
identical
particles
different
faster
attractive
a. All matter is made up of tiny ______________.
b. All particles of one substance are _____________. Different substances are
made of _______________ particles.
c. The space between particles is _____________ compared to the size of the
particles themselves.
d. The particles are always ______________. The more energy the particles have,
the ______________ they move.
e. There are ______________ forces between particles. The forces are
_____________ when the particles are closer together.
8. Classify the following as an element, compound, or mixture.
a. Carbon (C)
______________
b. Granola bar
______________
c. Sulphur dioxide (SO2)
______________
d. Chlorine (Cl)
______________
e. Kit Kat bar
______________
f. Table salt (NaCl)
______________
g. Kool-aid drink
______________
h. Ammonia (NH3)
______________
9. Complete the following table.
Subatomic Particle
Location
Electric Charge
Relative Mass
Negative
-------
Proton
Inside nucleus
10. Use your periodic table to complete the following table.
Element
Name
Element
Symbol
Atomic
Number
Atomic
Mass
# of
protons
# of
electrons
helium
C
8
Magnesium
16
Cu
Tin
79
11. Complete the Bohr-Rutherford diagrams for the following elements.
Ne
Al
Cl
H
# of
neutrons
12. Use the words below to complete the following statements.
chemical properties
left
energy levels
periods
right
groups
families
a. On the periodic table, metals are found on the ________ side of the staircase
line.
b. On the periodic table, non-metals are found on the _________ side of the
staircase line.
c. On the periodic table, the horizontal rows are called ____________.
d. On the periodic table, the vertical columns are called __________ or
___________.
e. The period an element is in indicates how many ___________ __________ the
its atoms have.
f. Elements in the same group have similar _____________ ______________.
13. Use different colours to indicate the following chemical families.
Alkali Metals
Alkaline Earth Metals
Transition Metals
Halogens
Noble Gases
14. Use your periodic table to answer the following questions.
a. Which metal is most reactive?
____________
b. Which non-metal is most reactive?
____________
c. Which metal is a liquid at room temperature?
____________
d. Name two alkaline earth metals.
____________
e. Name two halogens.
____________
f. Name an element in the same period as hydrogen.
____________
g. Name an element in the same group as copper.
____________
15. Complete the following table comparing metals, metalloids, and non-metals.
Metals
Metalloids
Non-metals
solid / liquid / gas
dull lustre / shiny
brittle / malleable
good / weak / poor
conductors
16. Complete the following table for the given chemical compounds.
Chemical Name
Chemical
Formula
Magnesium oxide
MgO
Calcium
carbonate (chalk)
CaCO3
Sulfuric acid
(battery acid)
H2SO4
Elements Present
Atoms of Each
Element
Total Number of
Atoms
17. Define the following terms.
molecule
compound
decomposition
18. Describe the test used to detect the presence of oxygen gas.
19. Describe the test used to detect the presence of hydrogen gas.
20. What are the two ways to add energy for decomposition to take place?
a. _________________________
b. _________________________
21. Define the following terms.
combustion
rusting