Name:______________________________Class: _________________ Date: _________________

Assessment

Chapter Test B
Teacher Notes and Answers
1 Matter and Change
TEST B
1. c 33. e
2. d 34. physical change
3. a 35. chemical change
4. d 36. physical change
5. c 37. physical change
6. c 38. chemical change
7. c 39. physical change
8. a 40. In a solid, particles are packed together in
9. mass and volume relatively fixed positions. The particles
10. group or family vibrate about a fixed point. In a liquid,
11. homogeneous particles are close together but can flow
12. products around one another. In a gas, particles are at
13. metals great distances from one another, compared
14. solid state to the particles of liquids and solids.
15. chemical properties 41. The composition of a pure substance is the
16. atom same throughout and does not vary from
17. compound sample to sample. Pure substances include
18. nonmetal elements and compounds. A mixture
19. mixture contains more than one substance and can
20. pure substance vary in composition from one sample to
21. basic another and sometimes within different parts
22. metalloid of the same sample.
23. reactants: carbon and oxygen; product: 42. Although energy can be absorbed or
carbon dioxide released in a change, it is not destroyed or
24. reactant: mercury(II) oxide; products: created. It simply takes a different form.
mercury and oxygen 43. Homogeneous mixtures are uniform in
25. f composition; heterogeneous mixtures are
26. g not.
27. c 44. An element cannot be broken down, but
28. a water can be decomposed into hydrogen and
29. b oxygen by passing an electrical current
30. i through it (electrolysis).
31. d
32. h

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Modern Chemistry 1 Chapter Test
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 Name:______________________________Class: _________________ Date: _________________

Assessment

Chapter Test B
Chapter: Matter and Change
PART I In the space provided, write the letter of the term or phrase that best
completes each statement or best answers each question.

_____ 1. Chemistry is a natural science that deals with the study of

a. living things and their life processes.
b. the physical features of Earth.
c. the composition, structure, properties, and changes of matter.
d. the composition, motion, and relative positions of stars and planets.
_____ 2. The branch of chemistry in which the compositions of materials are
identified is known as
a. biochemistry.
b. organic chemistry.
c. physical chemistry.
d. analytical chemistry.
_____ 3. Which of these is an example of an extensive property?
a. mass b. density c. color d. boiling point
_____ 4. Which of these is an example of an element?
a. sugar b. soil c. water d. oxygen
_____ 5. Which of these is an example of a heterogeneous mixture?
a. salt b. nitrogen c. mud d. air
_____ 6. Which process is a chemical change?
a. heating to boiling
b. dissolving in alcohol
c. burning in air
d. slicing into two pieces
_____ 7. At sea level, water boils at 100°C. This is an example of a(n)
a. chemical property. c. physical property.
b. extensive property. d. chemical change.
_____ 8. Every pure chemical compound consists of two or more elements that
a. are combined chemically.
b. can be separated by a physical change.
c. cannot be separated.
d. are combined in any proportion.

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Chapter Test B, continued

PART II Write the correct term (or terms) in the space provided.
9. The two properties that all matter has in common are _______________.
10. In the periodic table, elements in the vertical columns together form a(n)
_______________.
11. A mixture that has the same proportion of components throughout is
considered to be _______________.
12. The substances that are formed by a chemical change are called the
_______________.
13. _______________ are elements that are good conductors of electricity.
14. The state of matter in which a material has a definite volume and a definite
shape is the _______________.
15. Elements are arranged in the periodic table according to their
_______________.
16. The smallest unit of an element that has the properties of that element is a(n)
_______________.
17. When atoms of two or more elements are chemically bonded, the substance
formed is a(n) _______________.
18. If testing shows an element is a poor conductor of electricity, it is probably
a(n) _______________.
19. A blend of two or more kinds of matter, each of which retains its own identity
and properties, is a(n) _______________.
20. If a material is tested and every sample has exactly the same properties and the
same composition, it is a(n) _______________.
21. _______________ research is carried out for the sake of increasing
knowledge.
22. A(n) _______________ is an element that has some characteristics of metals
and some characteristics of nonmetals.

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Chapter Test B, continued

PART III For each of the following chemical reactions, identify the reactants and
the products.
23. carbon + oxygen
carbon dioxide
reactant(s): ______________
product(s): ______________
24. mercury(II) oxide
mercury + oxygen
reactant(s): ______________
product(s): ______________

PART IV On the line to the left of each symbol, write the letter of the correct
element name.

_____ 25. W a. silicon

b. sodium
_____ 26. Cl
c. cobalt
_____ 27. Co
d. iron
_____ 28. Si
e. tin
_____ 29. Na f. tungsten
_____ 30. Cu g. chlorine
_____ 31. Fe h. gold
_____ 32. Au i. copper
j. silver
_____ 33. Sn

PART V Classify each of the following as either a physical change or a chemical

change.
34. _______________________________ melting an ice cube
35. _______________________________ burning a piece of paper
36. _______________________________ slicing a loaf of bread
37. _______________________________ sharpening a pencil
38. _______________________________ decomposing mercury(II) oxide
39. _______________________________ dissolving sugar in water

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 Name:______________________________Class: _________________ Date: _________________

Chapter Test B, continued

PART VI Write the answers to the following questions in the space provided.
40. Explain the differences between solid, liquid, and gaseous states in terms of
the arrangement of the particles.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
41. Contrast mixtures and pure substances.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
42. State the law of conservation of energy.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
43. Contrast heterogeneous and homogeneous mixtures.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
44. How could you prove that water is a compound and not an element?
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________

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