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