Download AP Exam One Retake Qualifying Assignment

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AP Exam One Retake Qualifying Assignment
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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1. Below are steps of the scientific method:
1. Scientists develop scientific models and theories.
2. Scientist research prior publications to gather any previous
information related to a phenomenon.
3. A phenomenon is observed and a question is asked regarding a phenomenon.
4. Scientists develop a hypothesis to explain a phenomenon.
5. Experiments are developed to test hypotheses.
What is the correct order to which the steps above are performed by scientist?
a. 4, 5, 3, 2, 1
b. 2, 4, 5, 3, 1
c. 3, 5, 4, 1, 2
d. 3, 2, 4, 5, 1
e. 4, 5, 1, 2, 3
Completion
Complete each sentence or statement.
2. N is the chemical symbol for the element ____________________.
3. The chemical formula for the calcium ion is _________________.
4. The name of the polyatomic ion
is the _______________________________.
5. The name of the polyatomic ion
is the _____________________________.
6. The name of the polyatomic ion
is the _____________________________.
7. The name of the polyatomic ion
is the _________________________________.
8. The name of the polyatomic ion
is the _________________________________.
9. The name of the compound
is _____________________________.
10. The name of the compound K3P is _____________________________.
11. The name of the compound MgO is _____________________________.
12. The name of the compound
13. The name of the compound
is _____________________________.
is _____________________________.
14. The name of the compound
is _____________________________.
15. The name of the compound
is _____________________________.
16. The name of the compound
is _____________________________.
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17. The name of the compound
18. The name of the compound
19. The name of the compound
20. The name of the compound
is _____________________________.
is _____________________________.
is _____________________________.
is _____________________________.
Matching
Use only the best term to answer each question below. Each term may be used once, more than once, or not at
all.
a. element
e. heterogeneous mixture
b. filtration
f. distillation
c. compound
g. chromatography
d. homogeneous mixture
h. phase
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21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
ranch salad dressing
a mobile phase carries the sample to be separated
can be used to separate alcohol from water
separates large substances from smaller substances
the oil in a water and oil mixture
Mercury
Glucose C6H12O6
Gatorade
cannot be broken down any further by chemical means
the atmosphere
Use only the best term to answer each question below. Each term may be used once, more than once, or not at
all.
a. vapor
e. product
b. chemical change
f. solid
c. physical change
g. liquid
d. reactant
h. gas
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31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
the melting of ice
most metals at room temperature
sodium metal and chlorine gas in the formation of sodium chloride
paper turns yellow after sitting in the sun for long periods of time
breaking a glass bottle
photosynthesis turns carbon dioxide and water into sugar and oxygen
sugar and oxygen in photosynthesis
mercury at room temperature
takes the shape and volume of its container
gaseous state of matter at a temperature less than its boiling point
rusting of metal
NaCl in the reaction between sodium metal and chlorine gas
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Use only the best term to answer each question below. Each term may be used once, more than once, or not at
all.
a. atoms
e. protons
b. atomic mass
f. neutrons
c. mass number
g. isotopes
d. electrons
h. atomic number
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43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
the 35 in S-35
smallest particle of matter that retains its chemical properties
this particle defines which element an atom belongs to
mass number minus protons equals
positively charged particle found in the nucleus of an atom
the number of protons and neutrons in the nucleus of an atom
carbon-12, carbon-13, and carbon 14
negatively charged particle
weighted average of all the isotopes a particular element found in nature
is the number of protons in an atom
smallest particle of an atom
makes up all matter
Match each item with the correct statement below.
a. absolute zero
e.
b. Kelvin temperature scale
f.
c. Celsius temperature scale
g.
d. weight
h.
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55.
56.
57.
58.
59.
60.
61.
62.
mass
significant figure
precision
accuracy
closeness to true value
narrowness of range of measurements
known or estimated in a measurement
the quantity of matter an object contains
the lowest point on the Kelvin scale
the SI scale for temperature
the force of gravity on an object
the non-SI scale for temperature
Short Answer
63. In an experiment, it was found that the total charge on an oil drop was
charges does the drop contain?
. How many negative
64. Convert 113.5ºF to Kelvin.
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65. Express 0.07 kilograms in megagrams, using the correct abbreviations.
66. Express 0.06 liters in cubic meters, using the correct abbreviations.
67. A cube of a gold-colored metal with a mass of 386 g is dropped into a 100 mL graduated cylinder containing
50.0 mL of water. If the density of pure gold is 19.3 g/cm what volume should the graduated cylinder read
after dropping in the gold?
68. The density of osmium, which is the densest metal, is 22.57 g/cm . What is the mass of a block of osmium that
measures 1.00 cm 4.00 cm 2.50 cm?
69. You drop an amorphous sample of pure iron into the volumetric cylinder that had 40.0 mL of water in it
originally. After dropping in the iron sample, the volume of water in the graduated cylinder measured 54.4
mL. If the density of iron is 7.874
, what is the mass of the sample of iron?
Essay
70. Use the following passage to answer the questions below.
A student prepares five identical pots, with an identical type and mass of soil. The student then adds
one corn seed to each pot. Then the student adds ammonium nitrate in the amounts of: one gram to the pot
labeled one, two grams to the pot labeled two, four grams to the pot labeled three, eight grams to the pot labeled
five, and none the pot labeled five. The student then moved the pots outside where they could receive sunlight
and added one liter of water to each pot twice a week for one month. After one month, the student measured
the mass of corn that each plant produced.
a. Write a hypothesis for the experiment described above.
b. What was the independent variable in the experiment?
c. What was the dependent variable in the experiment?
d. The soil used in the experiment represents what kind of variable?
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