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Questions 1-13
Test Description: Review questions for the final exam.
Instructions: Answer all questions to get your test result.
1) Anything that has mass and occupies space is matter.
A
True
B
Neither
C
False
D
Both
2) Chemistry is the study of composition of matter and the changes that matter undergoes.
A
Neither
B
False
C
Both
D
True
3) What are the 5 major areas of chemistry?
A
Biochemistry, inorganic, analytical, physical
B
Physical, social, matter, atoms, organic
C
All of the above
D
Analytical, organic, inorganic, physical, life
4) List 2 ways to meet demand for energy.
A
both a and b
B
conserve and produce
C
wasteful
D
neither
5) Which answer describes a part of a sample with uniform composition and properties?
A
mixture
B
state
C
solution
D
phase
6) What is used to represent an element?
A
atomic number
B
period
C
column
D
chemical symbol
7) A change in the composition of matter _______ occurs during a chemical reaction.
A
rarely
B
sometimes
C
always
D
never
8) Which answer is 503000000 written correctly in scientific notation?
A
5.03 x 10 6
B
5.03x 10 -7
C
503 million
D
5.03 x 10 8
9) How many significant figures in the measurement 6.80 m?
A
5
B
3
C
4
D
2
10) About how many atoms of copper when placed side by side would form a line 1 cm long?
A
100000000
B
900000000
C
600000000
D
1500000000
*select an answer for all questions
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