SNC 1P - Chemistry
Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
____
1. A neutron is a positively charged particle in an atom. ____________________
____
2. A proton is a particle in an atom that has no electrical charge. ____________________
____
3. Protons and electrons are found in the nucleus of an atom. ____________________
____
4. Most elements are non-metals. ____________________
____
5. A material that can be pulled into a long, thin wire is malleable. ____________________
____
6. Conductivity is a material’s ability to conduct thermal energy or electricity. ____________________
____
7. A molecule is a group of two or more atoms that are chemically joined together. ____________________
____
8. A molecule of oxygen is an element. ____________________
____
9. If there is only one symbol in a chemical formula, the substance is a(n) element. ____________________
____ 10. An element is a simpler substance than a compound. ____________________
____ 11. The molecule H2SO4 contains six atoms. ____________________
____ 12. To create a model of aspirin (C9H8O4), you need twenty atoms in total. ____________________
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 13. Which of the following is an example of a chemical property?
a. state of matter
b. brittleness
c. flammability
d. Odour
____ 14. Which of the following characteristics is a chemical property of oxygen?
a. colourless
b. odourless
c. readily supports combustion
d. slightly soluble in water
____ 15. Which of the following is an example of a chemical change?
a. crumpling a piece of paper
b. melting ice
c. baking a cake
d. deflating a basketball
____ 16. Which of the following is an example of a physical change?
a. salt dissolving in water
b. fireworks exploding
c. hair colouring
d. iron rusting
____ 17. What is the name given to the temperature at which a substance changes from a liquid to a solid?
a. melting point
b. freezing point
c. boiling point
d. Density
____ 18. Which of the following gases burns so quickly in air that it often produces a loud “pop” when it is ignited?
a. oxygen
b. hydrogen
c. carbon dioxide
d. Nitrogen
____ 19. Which of the following particles are found in the nucleus of an atom?
a. protons and electrons
b. protons and neutrons
c. electrons and neutrons
d. electrons and orbits
____ 20. Which of the following is a negatively charged particle in an atom?
a. proton
b. neutron
c. electron
d. Nucleus
____ 21. How many electrons does this atom contain?
a.
b.
c.
d.
3
4
6
10
____ 22. Each element’s box in the periodic table contains which of the following?
a. chemical symbol
b. element’s name
c. atomic number
d. all of the above
____ 23. Which non-metal makes up 78 % of the air we breathe?
a. nitrogen
b. oxygen
c. argon
d. Helium
____ 24. Which atomic model shows an atom of nitrogen?
a.
b.
c.
d.
____ 25. Which term describes the small number that follows the symbol for an element in a chemical formula and
shows how many atoms of the element are present?
a. molecule
b. subscript
c. electrolysis
d. Catalyst
____ 26. Water is an example of which of the following?
a. element
b. compound
c. mixture
d. Solution
____ 27. What is the chemical formula for water?
a. HO2
b. H2O
c. H3O
d. H2O2
____ 28. Which of the following represents an element?
a. Cl2
b. MgCl2
c. NO
d. KCl
____ 29. Which term describes a chemical change involving oxygen and a fuel that releases large amounts of energy?
a. rusting
b. burning
c. decomposition
d. Electrolysis
____ 30. How many atoms does a molecule of calcium carbonate (CaCO3) contain?
a. 3
b. 4
c. 5
d. 6
SNC 1P - Chemistry
Answer Section
MODIFIED TRUE/FALSE
1. ANS: F, proton
PTS: 1
LOC: C3.1
2. ANS: F, neutron
REF: K/U
OBJ: 6.1 Atoms and Elements
MSC: What Do You Remember?
PTS: 1
LOC: C3.1
3. ANS: F, neutrons
REF: K/U
OBJ: 6.1 Atoms and Elements
MSC: What Do You Remember?
PTS: 1
LOC: C3.1
4. ANS: F, metals
REF: K/U
OBJ: 6.1 Atoms and Elements
MSC: What Do You Remember?
PTS: 1
REF: K/U
MSC: What Do You Remember?
5. ANS: F, ductile
6.
7.
8.
9.
10.
11.
PTS:
MSC:
ANS:
OBJ:
ANS:
OBJ:
ANS:
OBJ:
ANS:
OBJ:
ANS:
OBJ:
ANS:
1
REF: K/U
What Do You Remember?
T
6.3 Metals
LOC: C2.1
T
7.2 Putting Atoms Together
T
7.2 Putting Atoms Together
T
7.2 Putting Atoms Together
T
7.2 Putting Atoms Together
F, seven
OBJ:
6.3 Metals
LOC: C3.3
OBJ:
6.3 Metals
LOC: C2.1
PTS:
MSC:
PTS:
LOC:
PTS:
LOC:
PTS:
LOC:
PTS:
LOC:
1
REF: K/U
What Do You Remember?
1
REF: K/U
C2.1
MSC: What Do You Remember?
1
REF: K/U
C3.2
MSC: What Do You Understand?
1
REF: K/U
C3.6
MSC: What Do You Understand?
1
REF: A
C3.2
MSC: What Do You Understand?
PTS: 1
REF: T/I
OBJ: 7.2 Putting Atoms Together
LOC: C3.6
MSC: What Do You Understand?
12. ANS: F, twenty-one
PTS: 1
LOC: C2.6
MULTIPLE CHOICE
REF: A
OBJ: 7.3 Matching Models and Formulas
MSC: What Do You Understand?
13. ANS:
OBJ:
MSC:
14. ANS:
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MSC:
15. ANS:
LOC:
16. ANS:
LOC:
17. ANS:
LOC:
18. ANS:
LOC:
19. ANS:
LOC:
20. ANS:
LOC:
21. ANS:
LOC:
22. ANS:
LOC:
23. ANS:
LOC:
24. ANS:
LOC:
25. ANS:
LOC:
26. ANS:
LOC:
27. ANS:
LOC:
28. ANS:
LOC:
29. ANS:
OBJ:
MSC:
30. ANS:
LOC:
C
PTS: 1
REF: K/U
5.3 Chemical Properties: How Substances Change
What Do You Understand?
C
PTS: 1
REF: A
5.3 Chemical Properties: How Substances Change
What Do You Understand?
C
PTS: 1
REF: A
C2.1
MSC: What Do You Understand?
A
PTS: 1
REF: A
C2.1
MSC: What Do You Understand?
B
PTS: 1
REF: K/U
C2.1
MSC: What Do You Remember?
B
PTS: 1
REF: T/I
C2.7
MSC: What Do You Remember?
B
PTS: 1
REF: K/U
C3.1
MSC: What Do You Remember?
C
PTS: 1
REF: K/U
C3.1
MSC: What Do You Remember?
A
PTS: 1
REF: T/I
C3.1
MSC: Solve a Problem
D
PTS: 1
REF: K/U
C3.3
MSC: What Do You Remember?
A
PTS: 1
REF: A
C3.4
MSC: Solve a Problem
C
PTS: 1
REF: T/I
C3.1
MSC: Create and Evaluate
B
PTS: 1
REF: K/U
C2.1
MSC: What Do You Remember?
B
PTS: 1
REF: A
C3.2
MSC: What Do You Understand?
B
PTS: 1
REF: C
C3.6
MSC: What Do You Remember?
A
PTS: 1
REF: T/I
C3.2
MSC: Solve a Problem
B
PTS: 1
REF: K/U
7.8 Oxygen: Properties, Uses, and Impacts
What Do You Remember?
C
PTS: 1
REF: T/I
C3.6
MSC: Solve a Problem
LOC: C2.1
LOC: C1.1
OBJ:
5.4 Physical and Chemical Changes
OBJ:
5.4 Physical and Chemical Changes
OBJ:
5.7 Unique Properties
OBJ:
5.10 What's This Gas?
OBJ:
6.1 Atoms and Elements
OBJ:
6.1 Atoms and Elements
OBJ:
6.1 Atoms and Elements
OBJ:
6.1 Atoms and Elements
OBJ:
6.4 Non-metals
OBJ:
6.1 Atoms and Elements
OBJ:
7.2 Putting Atoms Together
OBJ:
7.2 Putting Atoms Together
OBJ:
7.2 Putting Atoms Together
OBJ:
7.2 Putting Atoms Together
LOC: C2.1
OBJ:
7.2 Putting Atoms Together