1. Determine the half-life of uranium238 based on the graph
a. 4.5 billion years
b. 8 billion years
c. 15 billion years
d. 23 billion years
2. Which of these is a balanced
chemical equation?
A) CO(g) + O2(g) → CO2(g)
B) CO(g) + 2O2(g) → 2CO2(g)
C) 2CO(g) + O2(g) → 2CO2(g)
D) 2CO(g) + 2O2(g) → 2CO2(g)
3. Lithium, sodium, and potassium are
examples of ____________.
A) non-metals
B) alkali metals
C) transition metals
D) alkaline earth metals
4. When you add so much solute that no more dissolves, you have a
A. Saturated solution
B. Unsaturated solution
C. Neutralization
D. Suspension
5. All elements are composed of extremely small particles called
A. Mixtures
B. Compounds
C. Atoms
D. Molecules
6. xAnything that has mass and takes up space is called…
a. Matter
b. Energy
c. Heterogeneous
d. Homogeneous
7. A fluid is…
a. A solid substance made up of crystals
b. A substance that has a definite shape and a definite volume
c. A substance that includes liquids and gases
d. A substance that melts at a distinct temperature
8.
Which solubility graph correctly depicts the increase of solubility with an increase in
temperature?
a. A
b. B
c. C
d. D
9. When heated a solution of carbonic acid yields carbon dioxide gas and water vapor. Classify this
reaction.
H2CO3(aq) → CO2(g) + H2O(g)
a.
b.
c.
d.
synthesis
decomposition
double replacement
single replacement
10. Elements are arranged in groups by similar atomic structure on the periodic table. This allows for an
element's properties to be predicted based on general periodic trends. One of these trends, electron affinity,
increases up a group and to the right along a period and can be defined as the ______________.
a. Energy required to emit an electron
b. Energy required to excite an electron
c. Energy required to remove an electron
d. Energy required to add an electron
11. Classify the following elements: Calcium, Phosphorus, Geranium
a. Metal, nonmetal, metalloid
b. Nonmetal, metal, metalloid
c. Metal, metalloid, nonmetal,
d. Metalloid, metal and nonmetal
12. Sodium oxide is an ionic compound with the chemical formula
a. NaO
b. NaO2
c. Na2O
d. Na2O2
13. According to the law of conservation of mass, a reaction between reactants with a total mass of
14g yields products with a total mass of…
a. Less than 14g
b. More than 14g
c. 14g
d. Unpredictable amount
14. Lemon juice is moderately acidic, which means its pH must be
a. Less than 2
b. Between 5 and 7
c. Between 2 and 4
d. Between 7 and 9
15. What is the chemical name for the compound with the formula Cu2S?
a. Copper (II) sulfur
b. Copper (I) sulfur
c. Copper (II) sulfide
d. Copper(I) sulfide
16. In a neutral atom, the number of protons equals the number of
a. Nuclei
b. Electrons
c. Neutrons
d. Isotopes
17. How many neutrons are present in the isotope of Polonium-208?
a. 208
b. 84
c. 124
d. None of the above
18. Which of the following is a benefit of nuclear power?
a. Power plants are more expensive to build
b. The supply of uranium is limited
c. Nuclear waste can be store anywhere
d. The use of nuclear power does not release harmful gases into the atmosphere
19. When forming an ion Fluorine will…
a. Form a -1 ion by gaining an electron
b. Form a -2 ion by gaining two electrons
c. Form a -1 ion by losing an electron
d. Form a -2 ion by losing two electrons
20. The atomic number of Silver is…
a. 47
b. 11
c. 5
d. 108
21. Use the solubility graph to determine the type of
solution formed when 50 grams of NH4Cl is
dissolved in 100 grams of water at 40oC.
a. Saturated solution
b. Unsaturated solution
c. Supersaturated solution
d. None of the above
22. Which elements on the periodic table do not
normally form compounds or bonds?
a. Noble gases
b. Halogens
c. Metals
d. Metalloids
23. How is a solute different from a solvent?
a. the solute is present in a greater
amount
b. the solute is present in a smaller amount
c. the solute is a solid and the solvent is a liquid
d. the solute is a liquid and the solvent is a solid
24. When a chemical bond breaks and forms new bonds a _______ reaction occurred.
a. Physical
b. Chemical
c. Matter is destroyed
d. Surface area increases
25. The graph represents an _______________
reaction
a. Exothermic
b. Endothermic
26. ________ are the most penetrating nuclear radiation
a. Gamma rays
b. alpha particles
c. Electrons
d. Positrons
27. Sodium reacts with oxygen to produce sodium oxide. Which balance equation represents this?
a. 4 Na + O2 --> 2Na2O
b. Na2+ O2 --> 2 NaO2
c. Na2O --> 2Na + O2
d. Na2O + O2 --> 2Na
28. Ionic bonds form between a ________ and a ___________.
a. Metal and a metal
b. Metal and a metalloid
c. Metal and a nonmetal
d. Nonmetal and a nonmetal
29. Santa counts the number of Christmas cookies on a plate, he is making a….
a. Hypothesis
b. Inference
c. Qualitative observation
d. Quantitative observation
30. A box is 25 cm long, 6 cm wide and 4 cm high. How many cubic centimeters of water can it hold?
a. 600
b. 25
c. 24
d. 150
31. Students working in a lab group compare their measurements with several other student lab
groups. They are checking their….
a. Accuracy
b. Precision
c. Accuracy and precision
d. None of the above
32. To keep with the law of conservation of matter, determine the correct product for the following
reaction:
PbCl2 (aq) + 2 KI (aq) → __________ + ___________
a.
b.
c.
d.
PbI2 + KCl2
PbI2 + 2 KCl
2 PbI + KCl2
2 PbI + 2 KCl
33. In the graph shown, during
which two minute time
period is the temperature of
the water changing the
fastest?
a. 0-2 min
b. 2-4 min
c. 4-6 min
d. 6-8 min
34. Group that forms a +2 ionic
charge
a. BCNO
b. Noble gases
c. Lanthanide and actinide series
d. Alkaline earth metals
35. Group that contains several synthetic elements
a. Lanthanide and actinide series
b. Noble gases
c. Halogens
d. BCNO
36. An atom of Ag with 47 p+ 47 e- and 61 n0 would have a mass number of what?
a. 108
b. 94
c. 47
d. None of the above
37. How many Neutrons are in an atom of C-14?
a. 14
b. 6
c. 8
d. 12
38. In what Law does temperature and volume have a direct relationship with one another?
a. Gay-Lussac’s
b. Boyles
c. Charles
d. All of the gas laws
39. Even if it is really cold outside, snow on the ground my decrease… Which best describes why?
a. Condensation
b. Melting
c. Sublimation
d. Evaporation
40. How many electrons does a halogen usually gain or share?
a. 4
b. 1
c. 6
d. 3
41.
42.
43.
44.
Draw the electron dot diagram for Hydrogen
Draw the electron dot diagram for Barium
Draw the electron dot diagram for Bismuth
Draw the electron dot diagram for Xenon
45. What determines the identity of an element
a. Mass number
b. Number of neutrons
c. Atomic number
d. Both a and b
46. Groups that is often used in the production of fireworks and concrete
a. Alkali metals
b. Alkaline earth metals
c. Halogens
d. Noble gases
47. ____________ is the measure of the average kinetic energy of the particles of a substance.
a. Melting
b. Vaporization
c. Temperature
d. Evaporation
48. The greater the speed of gas particle in a container, the….
a. Greater the pressure
b. Lower the pressure
c. Fewer collisions there will be
d. Lower the temperature
49. Three examples of physical change are ______
a. Burning of gasoline, rotting of an egg, exploding fireworks
b. Boiling water, bursting a balloon, crumpling paper
c. Freezing water, evaporation of gasoline, rusting of a nail
d. Sawing of wood, crushing a can, toasting a marshmellow
50. Each family on the periodic table has its own characteristics properties based on the number of..
a. Neutrons
b. Valence electrons
c. Protons
d. Ions
51. After 4 half-lives have passed, _____ of an original radioactive sample remains.
a. 1/16
b. 1/8
c. ¼
d. None
52. In which state of matter do particles fill all space/volume available?
a. Gases
b. Liquid
c. Solid
d. All of the above
53. Name the following compound according to IUPAC nomenclature rules. PCl3
a. Phosphorus chloride
b. Phosphorus (III) chloride
c. Phosphorus tri-chlorine
d. Phosphorus trichloride
54. When car tires are on hot pavement for too long, the rubber could begin to melt. During this
process, the safety of the tire is compromised since…
a. The rubber particles are moving slower and deforming
b. Its temperature is higher and the volume is lower
c. The volume is higher and the density is too
d. It cannot retain its shape and its density is lowered
55. James is preparing three solutions of salt water. Each of the solutions has the same amount of
water in the beaker and a different amounts of salt. In the first beaker, there is one scoop of salt
in the beaker. The second beaker has two scoops of salt. The third beaker has three scoops of
salt. Which of the beakers is the most dilute solution?
a. Beaker 1
b. Beaker 2
c. Beaker 3
d. All the beakers are equal in concentration
56. Where does the energy that the sun emits come from?
a. It is converted from the loss of mass of hydrogen
b. It is an essential component of helium
c. It is created in the balance with the gravitational force
d. It has always been present, but the heat of the sun releases it
57. The atomic number of Chlorine is…
a. 17
b. 7
c. 36
d. 53
58. What is the density of something that has a mass of 5g and a volume of 40cm3?
a. 0.125 g/cm3
b. 35 g/cm3
c. 8 g/cm3
d. 200 g/cm3
1.
2.
3.
4.
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A
C
B
A
C
A
C
A
B
D
A
C
C
C
D
B
C
D
A
A
C
A
B
B
B
A
A
C
29. D
30. A
31. B
32. B
33. B
34. D
35. A
36. A
37. C
38. C
39. C
40. B
41-44. on separate PDF online
45. C
46. B
47. C
48. A
49. B
50. B
51. A
52. A
53. D
54. D
55. B
56. A
57. A
58. A