Questions 1-13: Question Preview (ID: 5177)


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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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