MODERN CHEMISTRY CHAPTER 1 PRACTICE TEST
Matter and Change
MULTIPLE CHOICE On the line at the left of each statement, write the letter of the
choice that best completes the statement or answers the 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 that identifies the composition of materials is .
a) biochemistry c. physical chemistry
b) organic chemistry d. analytical chemistry
3) An example of an extensive property is .
a) mass c. color
b) density d. boiling point
4) An example of an element is .
a) sugar c. water
b) soil d. oxygen
5) An example of a heterogeneous mixture is .
a) salt c. mud
b) nitrogen 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) Water boiling at 100°C 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 .
a) combined chemically
b) that can be separated by a physical change
c) that cannot be separated
d) combined in any proportion
CHAPTER 1 TEST continued
FILL IN THE BLANK 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 called
______________________________________.
12. The substances that are formed by a chemical change are called the
______________________________________.
13. The element type that is a good conductor of electricity is a(n)
______________________________________.
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 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.
CHAPTER 1 TEST continued
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):
_______________________________________
MATCHING On the line to the left of each symbol, write the letter of the correct name.
25. _________Sr
a. silicon
26. _________Cl
b. sodium
27. _________Co
c. cobalt
28. _________Si
d. iron
29. _________Na
e. tin
30. _________Cu
f. strontium
31. _________Fe
g. chlorine
32. _________Au
h. gold
33. _________Sn
i. Copper
j. silver
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
CHAPTER 1 TEST continued
SHORT ANSWER 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.
______________________________________________________________________
______________________________________________________________________
______________________________________________________________________
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41. Contrast mixtures and pure substances.
______________________________________________________________________
______________________________________________________________________
______________________________________________________________________
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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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