Matter and Chemical Change
Unit Review Questions
Topic 1 – Matter:
1. Illustrate the following W.H.M.I.S. symbols:
a. Toxic
c. Flammable
b. Reactive
d. Corrosive
2. Identify the 5 main points in the Particle Model of Matter.
3. Identify each state of matter and describe the action of the particles in
that state.
4. How is matter classified?
Topic 2 – Chemical and Physical Changes/Properties:
1. What is the difference between and chemical and physical change?
2. Classify the following properties as chemical or physical.
a. colour
d. ductility
b. reacts with acids
e. combustibility
c. viscosity
3. Give an example of a qualitative and quantitative property.
4. What happens during a physical change?
5. What happens during a chemical change?
6. What are the clues that describe a change as being chemical?
7. Give a physical and chemical property for the following:
a. water
b. iron
Topic 3 – Atomic Theories:
1. Explain what the Law of Conservation of Mass describes.
2. Explain what the Law of Definite Composition describes.
3. Explain John Dalton’s Atomic Theory as it applies to matter.
4. What is the difference between Bohr & Rutherford’s Atomic Theories?
5. Draw and label the parts of an atom.
Topic 4 – Elements and the Periodic Table:
1. What system did Dmitri Mendeleev use to organize the elements?
2. Explain what each of the following tell us about an element
a. Atomic Number
c. Atomic Symbol
b. Atomic Mass Number
3. An iodine atom has an atomic mass of 126. How many protons, electrons
and neutrons does it have?
4. An oxygen ion has an atomic mass of 16. How many protons, electrons and
neturons does it have?
5. How are a group and a period different (on the periodic table)?
6. Where can you find metals and non-metals on the periodic table?
7. Describe each Chemical Family and explain how it is represented in the
Periodic Table.
a. Alkali Metals
c. Halogens
b. Alkaline Earth Metals
d. Noble Gases
Topic 5 – Bonding:
1. What is the difference between a compound and
element?
2. What is an ionic bond? What is a molecular bond?
Draw a picture to demonstrate the differences in
their bonding.
3. How are ions formed?
4. Name the following ionic compounds:
a. KF
b. CaBr2
c. MgO
5. Name the following molecular compounds:
a. N2O
b. SiO2
c. CF4
6. Come up with the formulas for the following compounds:
a. diphosphorus trioxide
b. nitrogen trihydride
c. calcium chloride
d. potassium oxide
Topic 6 - Chemical Reactions:
1. When iron rusts, it reacts with oxygen in the air to create iron oxide.
Write a word equation and a chemical equation for this.
2. Explain the difference between an Endothermic and Exothermic
reaction – give an example of each.
Topic 7 - Reaction Rate:
1. What are the 4 main factors that change the speed of a chemical
reaction?
2. Explain how a catalyst works.
3. Explain how an inhibitor works.
4. Explain the process of galvanization.
5. What three things are needed for combustion reactions?
6. List some harmful byproducts of combustion.