Name Clas Dat
xn
: s: e:
Chapter 01 -
xn xn
Chemistry: An Introduction
CopyrightxnCengagexnLearning.xnPoweredxnbyxnCogne Pagexn1
ro.
,Name Clas Dat
xn
: s: e:
Chapter 01 -
xn xn
Chemistry: An Introduction
CopyrightxnCengagexnLearning.xnPoweredxnbyxnCogne Pagexn2
ro.
,Name Clas Dat
xn
: s: e:
Chapter 01 -xn xn
Define the An
1.Chemistry: following
xn terms:
Introduction
xn xn
a. science
b. chemistry
ANSWER: a. Science - xn xn
a framework for gaining and organizing knowledge. It is a procedure for processing and understa
xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn
nding certain information. xn xn
b. Chemistry - xn
the science that deals with the matter of the universe and the changes it can undergo.
xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn
2. Define the following terms:
xn xn xn
a. scientific method xn
b. natural law xn
c. hypothesis
d. theory
ANSWER: a. Scientific method - the process or steps of scientific inquiry.
xn xn xn xn xn xn xn xn xn xn
b. Natural law - a statement describing observed beha or.
xn xn xn xn xn xn xn xn
c. Hypothesis - a possible explanation for an observation. xn xn xn xn xn xn xn
d. Theory - xn
a set of testsed hypotheses that gives an explanation for some beha or or observation (also call
xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn
ed a model). xn xn
3. Which of the following is not a step in the scientific method?
xn xn xn xn xn xn xn xn xn xn xn
a. Make an observation. xn xn
b. Formulate a hypothesis. xn xn
c. Perform an experiment. xn xn
d. Change results to agree with your hypothesis.
xn xn xn xn xn xn
e. Develop a theory (or model). xn xn xn xn
ANSWER: d
4. A xn is a summary of observed beha or, and a
xn xn xn xn xn xn xn xn xn is an explanation of beha or.
xn xn xn xn xn
a. law, measurement xn
b. theory, scientific method xn xn
c. theory, law xn
d. law, theory xn
e. hypothesis, theory xn
ANSWER: d
5. Generally, observed beha or that can be formulated into a statement, sometimes mathematical in nature, i
xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn
s called a(n)
xn xn
a. observation
b. measurement
c. theory
d. natural law xn
CopyrightxnCengagexnLearning.xnPoweredxnbyxnCogne Pagexn3
ro.
, Name Clas Dat
xn
: s: e:
Chapter 01 -
xn xn
e.
Chemistry: An Introductionexperiment
ANSWER: d
CopyrightxnCengagexnLearning.xnPoweredxnbyxnCogne Pagexn4
ro.
xn
: s: e:
Chapter 01 -
xn xn
Chemistry: An Introduction
CopyrightxnCengagexnLearning.xnPoweredxnbyxnCogne Pagexn1
ro.
,Name Clas Dat
xn
: s: e:
Chapter 01 -
xn xn
Chemistry: An Introduction
CopyrightxnCengagexnLearning.xnPoweredxnbyxnCogne Pagexn2
ro.
,Name Clas Dat
xn
: s: e:
Chapter 01 -xn xn
Define the An
1.Chemistry: following
xn terms:
Introduction
xn xn
a. science
b. chemistry
ANSWER: a. Science - xn xn
a framework for gaining and organizing knowledge. It is a procedure for processing and understa
xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn
nding certain information. xn xn
b. Chemistry - xn
the science that deals with the matter of the universe and the changes it can undergo.
xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn
2. Define the following terms:
xn xn xn
a. scientific method xn
b. natural law xn
c. hypothesis
d. theory
ANSWER: a. Scientific method - the process or steps of scientific inquiry.
xn xn xn xn xn xn xn xn xn xn
b. Natural law - a statement describing observed beha or.
xn xn xn xn xn xn xn xn
c. Hypothesis - a possible explanation for an observation. xn xn xn xn xn xn xn
d. Theory - xn
a set of testsed hypotheses that gives an explanation for some beha or or observation (also call
xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn
ed a model). xn xn
3. Which of the following is not a step in the scientific method?
xn xn xn xn xn xn xn xn xn xn xn
a. Make an observation. xn xn
b. Formulate a hypothesis. xn xn
c. Perform an experiment. xn xn
d. Change results to agree with your hypothesis.
xn xn xn xn xn xn
e. Develop a theory (or model). xn xn xn xn
ANSWER: d
4. A xn is a summary of observed beha or, and a
xn xn xn xn xn xn xn xn xn is an explanation of beha or.
xn xn xn xn xn
a. law, measurement xn
b. theory, scientific method xn xn
c. theory, law xn
d. law, theory xn
e. hypothesis, theory xn
ANSWER: d
5. Generally, observed beha or that can be formulated into a statement, sometimes mathematical in nature, i
xn xn xn xn xn xn xn xn xn xn xn xn xn xn xn
s called a(n)
xn xn
a. observation
b. measurement
c. theory
d. natural law xn
CopyrightxnCengagexnLearning.xnPoweredxnbyxnCogne Pagexn3
ro.
, Name Clas Dat
xn
: s: e:
Chapter 01 -
xn xn
e.
Chemistry: An Introductionexperiment
ANSWER: d
CopyrightxnCengagexnLearning.xnPoweredxnbyxnCogne Pagexn4
ro.