3. Which of the following is a chemical property?
A.) solubility
B.) flammability
C.) .flammability
C.) correct answer
D.) odor L F

5. Which of the following is NOT a property?
A.) Mass
A.) correct answer
B.) density
C.) pH
D.) Mass L F

7. The following molecular model shows
what substance?
A.) water
B.) water
B.) correct answer
C.) carbon dioxide
D.) salt L F

9. What three things happen in a chemical reaction?
A.) properties change, atoms rearrange,
new substance forms
A.) correct answer
B.) # of atoms change, new substance forms,
different properties
C.) new atoms, substance, & properties
D. properties change, atoms rearrange,
new substance forms L F

11. The majority of elements on the periodic table
belong to what group?
A.) nonmetals
B.) metals
B.) metals
C.) correct answer
D.) metalloids L F

13. The stuff before the chemical reaction takes place is called the?
A.) Product
B.) Reactant
B.) correct answer
C.) Reactant
D.) Chemical Reaction L F

15. What is the same before and after a
Chemical reaction?
A.) The total number
of atoms
B.) Atom arrangement
C.) Properties
D.) The total number of
atoms
D.) correct answer L F

17. What should you measure and compare to see
if a chemical reaction occurred?
A.) Mass
B.) Properties
B.) correct answer
C.) Properties
D.) Shape L F

19. Which of the following is an example
of a chemical reaction?
A.) Burning marshmallows
B.) Mixing lemonade
with water
C.) Burning marshmallows
C.) correct answer
D.) Melting butter in a pan L F

21. A bar of gold is a substance because…
A.) It is made of the same
atom throughout
B.) Reacts with substances
C.) Consists of many dif.
types of atoms
D.) It is made of the same
atom throughout
D.) correct answer L F

23. Salt is an example of a … D.) compound A.) compound B.) element
C.) mixture
D.) compound
D.) correct answer L F

25. The concept that the total mass before
the reaction equals the total mass after the
reaction is considered to be…
A.) A chemical reaction
B.) Conservation of matter
B.) correct answer
C.) A Phase change
D.) Conservation of matter L F

27. Which of the following is a possible chemical
reaction?
A.) 02 + CO CO
B.) NaOH + HCl NaCl + H20
C.) CuSO CuSO4
D.) NaOH + HCl NaCl + H20
D.) correct answer L F

29. Elements in the same vertical column
in the Periodic Table have similar:
A.) chemical name
B.) atomic number
C.) chemical properties
C.) correct answer
D.) chemical properties L F

31. Elements in the same column are expected to
Have similar…
A.) chemical properties
A.) correct answer
B.) atomic numbers
C.) chemical properties
D.)number of protons L F

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