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Name Clas Dat : s: e: 
Chapter 01 - Chemistry: An Introduction 
1. Define the following terms: 
a. science 
b. chemistry 
ANSWER: a. Science - a framework for gaining and organizing knowledge. It is a procedure for processing and 
understanding certain information. 
b. Chemistry - the science that deals with the matter of the universe and the changes it can undergo. 
2. Define the following terms: a. scientific method 
b. natural law 
c. hypothesis 
d. theory 
ANSWER: 
 a. Scientific method - ...
Chapter 01 - Chemistry: An Introduction 
 1. Define the following terms: a. science 
b. chemistry 
ANS: 
a. Science - a framework for gaining and organizing knowledge. It is a procedure for processing and understanding certain information. 
b. Chemistry - the science that deals with the matter of the universe and the changes it can undergo. 
PTS: 1 DIF: easy MSC: general chemistry 
2. Define the following terms: a. scientific method 
b. natural law 
c. hypothesis 
d. theory 
TOP: general concept...
Chapter 01 - Matter and Measurement 
Multiple Choice Questions 
1. Which is not an example of a pure substance? A. Sugar 
B. Air 
C. Aluminum foil 
D. Water 
E. A block of dry ice 
Bloom's Level: 1. Remember 
Difficulty: Easy 
Gradable: automatic 
Subtopic: Classification and States of Matter Topic: Study of Chemistry 
2. Which is an example of a physical change? A. The rusting of an iron nail 
B. The burning of propane in a gas grill 
C. Baking cookies 
D. Polishing tarnished silver 
E. Meltin...
General, Organic and Biological Chemistry, 4e (Smith) Chapter 1 Matter and Measurement 
1) Which is NOT an example of a pure substance? A) Sugar 
B) Air 
C) Aluminum foil 
D) Water 
E) A block of dry ice 
Answer: B 
Difficulty: 1 Easy 
Topic: Study of Chemistry 
Bloom's: 1. Remember 
Subtopic: Classification and States of Matter Accessibility: Keyboard Navigation Chapter: 01 
2) Which is an example of a physical change? A) The rusting of an iron nail 
B) The burning of propane in a gas grill 
C...
Name Clas Dat : s: e: 
CHAPTER 1: BASIC CONCEPTS ABOUT MATTER 1. Which of the following is a property of both gases and liquids? 
 a. 
c. 
Definite shape Definite volume 
b. Indefinite shape d. Indefinite volume 
ANSWER: 
2. In which of the following pairs of properties are both properties chemical properties? 
a. Freezes at 10°C and is nonflammable 
b. Decomposes at 500°C and reacts with bromine 
c. Poor conductor of heat and is reddish brown in color 
d. Has a low density and is very hard ...
Chapter 01: Introduction 
1. A tentative explanation for a set of observations that can be tested by further experimentation is referred to as 
A) a hypothesis. B) a law. C) a theory. D) none of the above. 
Ans: A Category: Easy Section: 1.2 
2. A concise verbal or mathematical statement of a relationship between phenomena that is always the same under the same conditions is referred to as 
A) a hypothesis. B) a law. C) a theory. D) none of the above. 
Ans: B Category: Easy Section: 1.2 
3. A un...
Chapter 01 - Chemistry and Measurement 
1. What is a scientific theory? 
a. It is a collection of experimental data. 
b. It is an assertion of scientific fact. 
c. It is a guess or conjecture about natural phenomena. 
d. It is a fundamental relationship of nature. 
e. It is an explanation of natural phenomena that has undergone significant testing. 
ANSWER: 
POINTS: 
DIFFICULTY: 
REFERENCES: 
HAS VARIABLES: 
LEARNING OBJECTIVE S: 
e 
1 
easy 
1.2 
False 
GENE.EBBI.13.1 - Understand how the scien...
Chapter 1-Structure and Bonding:Acids and Bases 
1. How many total valence electrons are represented in the following electron configuration? 1s22s22px2 2py2 2pz1 or 1s22s22p5 
a. 1 b. 3 c. 5 d. 7 e. 9 
ANS: D 
Instructions: Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show all nonbonding electrons. 
2. Write: 
CH3CH2OH ethanol 
ANS: 
3. The structure of urea is shown below. Fill in any nonbonding valence electrons that are missing from the l...
Chapter 1: The Nature of Chemistry 
1. Modern research requires 
a. communication skills 
b. collaboration skills 
c. knowledge in a particular field 
d. a willingness to think about the world 
e. all of the choices above 
e 
1 
1.1 Why Care About Chemistry? Comprehension 
Grasp meaning 
2. For a chemist, understanding 
a. knowing what makes up a reacting atom. 
b. knowing what atoms make up a reacting molecule. 
c. knowing how atoms in a reacting molecule are connected together. 
d. having a me...
Chapter 01 - Molecular Reasons 
1. Which of these is the best definition of matter? 
a. b. c. d. e. 
ANSWER: POINTS: 
The pull of gravity on an object. 
Anything that has weight and volume. 
Anything that has mass and occupies space. 
Anything that is directly proportional to weight. 
The measure of the amount of space an object occupies. 
2. Which of these statements is correct? 
a. Theamountofcarbononearthisessentiallyconstant. 
b. The amount of carbon on earth fluctuates with the seasons. 
c....