Name: ______________________________
Hr: ___
Chapter 2 Review
STATES OF MATTER
1. Identify the state of matter for the pictures below.
a. __________________ b. __________________
c. ___________________
2. Fill in the following chart on the properties of the states of matter.
STATE OF
SHAPE
VOLUME
FORCES
MATTER
SPEED OF
PARTICLES
COMPRESSIBILITY
SOLID
LIQUID
GAS
3. Match each description in Column B to the correct term in Column A.
Column A
Column B
_____Crystal
_____Vapor
_____Allotropes
_____Gas
_____Amorphous
a. describes a solid in which the particles are
randomly arranged
b. has a regular three-dimensional arrangement of
particles
c. particles move the fastest in this state of matter
d. 2 or more different substances of the same
element in the same physical state
e. matter as a gas that is usually a liquid or solid at
room temperature
PHYSICAL PROPERTIES
4. An extensive property is dependent on the _______________________of matter in a sample and an
intensive property is dependent on the ______________________of matter.
5. Classify the following properties as extensive or intensive.
Color ___________________________
Volume
___________________________
Mass ___________________________
Length
___________________________
Density___________________________
Boiling point
___________________________
6. List two physical properties of tap water.
1)_______________________________________ 2)__________________________________________
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MIXTURES
7. What is a homogeneous mixture?
8. What is another name for a homogeneous mixture? ____________________________
9. Label the following mixtures as either heterogeneous or homogeneous.
a. gasoline
b. chunky peanut butter
c. vinegar
_________________
____________________
__________________
d. air
__________________
10. Identify the following separation processes.
Technique that can be used to physically separate most homogeneous mixtures
based on differences in boiling points of the substance involved
Process that separates a solid from a liquid in a heterogeneous mixtures
A separation technique that produces solid particle of a substance from a solution that
contains the dissolved substance
Technique uses to separate the components of a mixture based on the tendency of
each compound to travel or be drawn across the surface of another material
11. Name the techniques which are suitable for separating the following mixture:
Situation
a. To obtain drinking water from muddy water
Separation Technique(s)
b. To separate gasoline from crude oil (2 liquids)
c. To remove leaves from a swimming pool
d. To obtain pure sugar from a solution
e. To determine whether the coloring in a fruit juice
is a single substance or a mixture of colored
substance
SUSPENSIONS, COLLOIDS, AND SOLUTIONS
12. Which of the following mixture types is heterogeneous and does not have particles that settle?
a) suspensions
b) suspensions and colloids
c) colloids
d) suspensions and solutions
13. Which of the following mixture types is characterized by the settling of particles?
a) solution
c) colloid
b) suspension
d) hydrate
14. Which of the following types of mixtures exhibit a negative Tyndall effect?
a) suspensions and colloids
b) colloids and solutions
c) suspensions and solutions
d) solutions only
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15. Which of these statements is correct?
a) Particles can be filtered from a suspension.
b) A solution is heterogeneous.
c) A colloidal system does not exhibit the Tyndall effect.
d) The particles in a colloidal system are affected by gravity.
PHYSICAL CHANGES
16. A ____________________ is a horizontal row on the periodic table.
17. A ____________________ is a vertical column on the periodic table.
18. A _____________________ is another name for a group on the periodic table.
19. How are the elements contained within a group on the periodic table related?
_____________________________________________________________
20. Write the chemical symbol for each of the following elements.
tin _________
sodium __________ silver ____________ carbon _____________
21. Circle the elements that have similar chemical and physical properties. K Ca As P
22. What elements make up ammonia, chemical formula NH3? ________________ and _________________
23. Name the elements represented by the following chemical symbols.
Pb _______________ K _____________________ Au __________________ Fe __________________
24. Classify the following as elements, compounds, heterogeneous mixture or homogeneous mixture.
a. table salt
____________________
b. water
____________________
b. iron
____________________
d. stainless steel
____________________
c. ethanol
____________________
b. motor oil
____________________
d. vinegar
____________________
d. neon
____________________
e. jello
____________________
f. pop
____________________
25. “A mixture is a chemical bonding of two or more substances in any proportion.” Is this statement true
or false? EXPLAIN.
26. Is a change in a phase a physical or chemical change? Explain.
27. Which of the following is NOT a physical change? (circle all that apply)
a. breaking a pencil in two
f.
dissolving sugar in water
b. water freezing and forming ice
g. burning gasoline in an engine
c. frying an egg
h. evaporating sea water to obtain salt
d. burning wood
i.
slicing a piece of bread
e. leaves turning color in the fall
CHANGES IN MATTER
28. What is a chemical property?
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29. Is the following sentence true or false? Chemical properties are observed only when a substance
undergoes a chemical change.
__________________________
30. In chemical reactions, the substances present at the start of the reaction are called
, and the substances produced are called
.
31. Circle the letter of the term that best completes the sentence. A change in the composition of matter
occurs during a chemical reaction.
a. sometimes
b. always
c. never
32. Which representation of a chemical reaction is correct?
a. products → reactants
b. reactants → product
33. A precipitate is a __________________ formed during a chemical reaction.
34. List four indicators that a chemical change has probably taken place.
_____________________________________________
_____________________________________________
_____________________________________________
_____________________________________________
35. Which of the following is a chemical change?
a. gasoline boils
c. gasoline burns
b. oxygen is added to gasoline
d. gasoline is poured into a tank
36. Classify the following as a physical or chemical property. (PP or CP)
_____ aluminum has a silvery color
_____ gold has a density of 19 g/cm3
_____ sodium ignites when in water
_____ water boils at 100C
_____ silver tarnishes
_____ mercury is a liquid at room temperature
37. Classify each of the following changes as physical or chemical. (PC or CC)
a. _____ A puddle is dried by the sun.
c. _____ Bread is toasted.
b. _____ A dark cloth is faded in the sunlight.
d. _____ Soap is mixed with water.
38. A 28.0 g sample of nitrogen gas combines completely with 6.0 g of hydrogen gas to form ammonia. What is
the mass of ammonia formed?
Word Equation:
Work:
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39. A 13.0 g sample of X combines with a 34.0 g sample of Y to form the compound XY2. What is the
mass of the reactants?
Word Equation:
Work:
40. Copper sulfide is formed when copper and sulfur are heated together. In this reaction, 127 g of
copper reacts with 41 g of sulfur. After the reaction is complete, 9 g of sulfur remains unreacted. What
is the mass of copper sulfide formed?
Word Equation:
Work:
41. Carbon dioxide plus water yields carbonic acid.
a. Name the product(s) of this reaction.
__________________________
b. Name the reactant(s) of this reaction.
__________________________
c. If 44 grams of carbon dioxide react completely with 18 grams of water, what is the mass of
carbonic acid formed?
Word Equation:
Work:
42. In an engine, octane combines with oxygen to form carbon dioxide and water. If 22.8 grams of octane
combine completely with 80.0 grams of oxygen to form 70.4 grams of carbon dioxide, what mass of
water is formed?
Word Equation:
Work:
43. What is the name of the chemical law that supports the question 42? ____________________________
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