1. FLIP Name:_____________________ Period:____ Test 2-1
Multiple Choice: Choose the very best answer to each question using the 4 choices provided. (3 points each)
1. A fixed ratio of two or more bonded atoms that
can be separated only by a chemical reaction is called a:
a. Mixture
b. Compound
c. Solution
d. None of the above
2. The substance or substances initially involved
in a chemical reaction are called:
a. Reactants
b. Products
c. Catalysts
d. Producers
3. A bowl of fruit salad would be considered to be a:
4. The difference between a catalyst and an
inhibitor is that a positive catalyst can:
a. Effect the rate of a reaction
b. Slow down a reaction
c. Speed up a reaction
d. Block a reaction
5. An iron chain rusts when exposed to salt water.
Which of the following occurred?
a. A chemical change
b. A physical change
c. A chemical reaction
d. All of the above
6. Which of the following would be least likely to
speed up a chemical reaction?
a. Increased Pressure
b. Decreased Temperature
c. Increased Concentration
d. Increased Mixing
7. Which of the following could be considered
a molecule ?
a. C atom (from a diamond)
b. O2 (from the atmosphere)
c. H2O (from the ocean)
8. Which of the following observations best suggests
an endothermic chemical reaction?
a. Mixing a powder into a liquid makes it suddenly feel cold
b. Mixing a powder into a liquid makes it suddenly feel hot
c. Mixing a powder into a liquid makes it suddenly bubble
d. Mixing a cold liquid with a hot liquid produces a warm liquid
9. An atom’s valence shell contains:
a. Protons
b. Neutrons
c. Electrons
d. Isotopes
10. When two atoms are drawn together by opposite
charges, a(n) _______ bond may be formed.
a. Ionic
b. Covalent
c. Dipolar
d. Metallic
11. Considering a salt water solution, the solute would be:
a. Salt
b. Water
c. Hydrogen
d. None of the above
12. Which substance would have the greatest solubility in water?
a. Sugar
b. Iron shavings
c. Saw dust
d. Vegetable oil
13. It is possible to float a paperclip on top of a glass of
water because of:
a. Capillary Action
b. Surface Tension
c. Density
d. Acidity
14. Which neutral pH level might most likely belong to a
normal tap water sample you might drink?
a. 2.4
b. 5.2
c. 7.1
d. 9.9
15. Which of the following (unbalanced) equations suggests a synthesis reaction?
a. H2 + O H2O
b. H2 + O H2 + O
c. H2O H2 + O2
16. Which of the following suggests a decomposition reaction?
a. Na + Cl NaCl
b. NH N2 + H2
c. NaCl + F NaF + Cl2
d. All of the above
17. Separating water into hydrogen and oxygen gas suggests:
a. Electrolysis
b. A decomposition reaction
c. A synthesis reaction
d. Both A and B
18. Which compound would best react in a combustion
reaction along with Oxygen gas (O2) to produce a flame?
a. C8H18
b. Fe2
c. CO2
d. H2SO4
FLIP

2. Directions: Use the symbol provided to answer the questions
Directions: Use the symbol provided to answer the questions. Use of a periodic table is permitted for all of the following questions. (3 points each) I +3
23. What should we describe this atom as?
a. An Ion
b. An Isotope
c. A charged particle
d. Both A and C
24. This element would most likely form an ionic
bond to produce a solid product with:
a. Nitrogen
b. Oxygen
c. Chlorine
d. Potassium
25. This element would most likely form a covalent bond with:
a. Iodine
b. Zinc
c. Sodium
d. Nickel
19. How many protons does this atom contain?
a. 3
b. 53
c. 73
d. 126
20. How many electrons does this atom contain?
a. 3
b. 50
c. 56
d. 77
21. What net charge does an atom of the above have?
a. Positive
b. Negative
c. Neutral
d. More information is needed
22. The name of this element is:
a. Iron
b. Iodine
c. Iridium
d. Indium
Directions: Make sure all of the following reaction equations are properly balanced and simplified (5 points each)
__ HCl + __ CaCO __ CaCl2 + __ H2O + __ CO2
__ HNO3 + __ NaHCO __ NaNO3 + __ H2O + __ CO2
__ H2O + __ O __ H2O2
__ NaBr + __ CaF __ NaF + __ CaBr2
__ H2SO __ NaNO __ HNO2 + __ Na2SO4
ADV
Score: ______
100