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