Questions 1-13 Question Preview (ID: 5177)
Review Questions For The Final Exam.
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Anything that has mass and occupies space is matter.
a) True
b) False
c) Neither
d) Both
Chemistry is the study of composition of matter and the changes that matter undergoes.
a) True
b) False
c) Both
d) Neither
What are the 5 major areas of chemistry?
a) Physical, social, matter, atoms, organic
b) Analytical, organic, inorganic, physical, life
c) Biochemistry, inorganic, analytical, physical
d) All of the above
List 2 ways to meet demand for energy.
a) conserve and produce
b) wasteful
c) both a and b
d) neither
Which answer describes a part of a sample with uniform composition and properties?
a) phase
b) state
c) solution
d) mixture
What is used to represent an element?
a) period
b) atomic number
c) chemical symbol
d) column
A change in the composition of matter _______ occurs during a chemical reaction.
a) always
b) never
c) rarely
d) sometimes
Which answer is 503000000 written correctly in scientific notation?
a) 5.03x 10 -7
b) 5.03 x 10 6
c) 5.03 x 10 8
d) 503 million
How many significant figures in the measurement 6.80 m?
a) 2
b) 3
c) 4
d) 5
About how many atoms of copper when placed side by side would form a line 1 cm long?
a) 600000000
b) 100000000
c) 900000000
d) 1500000000
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