Atoms First Approach, 2nd Edition, Julia
Burdge Michelle Driessen
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,Introductory Chemistry, 2e (Burdge)
Chapter 1 Atoms and Elements
1) What is a unifying principle that explains a body of experimental observations?
A) law
B) hypothesis
C) theory
D) phenomena
E) prediction
Answer: C
Difficulty: 1 Easy
Topic: Study of Chemistry
Bloom's: 2. Understand
Subtopic: Scientific Method
Accessibility: Keyboard Navigation
Gradable: automatic
2) What is the term used for findings that are summarized based on a pattern or trend?
A) law
B) hypothesis
C) theory
D) phenomena
E) prediction
Answer: A
Difficulty: 1 Easy
Topic: Study of Chemistry
Bloom's: 2. Understand
Subtopic: Scientific Method
Accessibility: Keyboard Navigation
Gradable: automatic
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, 3) Which of the following is an example of an observation?
A) Gases expand as their temperature increases because the gas molecules are moving more
rapidly.
B) Paraffin wax begins to melt at 57°C.
C) Three samples of wax are heated to 75°C.
D) The force acting on an object is equal to its mass times its acceleration.
E) Will all waxes melt at the same temperature?
Answer: B
Difficulty: 1 Easy
Topic: Study of Chemistry
Bloom's: 2. Understand
Subtopic: Scientific Method; Properties of Matter
Accessibility: Keyboard Navigation
Gradable: automatic
4) When applying the scientific method, it is important to avoid any form of hypothesis.
Answer: FALSE
Difficulty: 1 Easy
Topic: Study of Chemistry
Bloom's: 3. Apply
Subtopic: Scientific Method
Accessibility: Keyboard Navigation
Gradable: automatic
5) Which of these scientists developed the nuclear model of the atom?
A) John Dalton
B) Robert Millikan
C) J. J. Thomson
D) Henry Moseley
E) Ernest Rutherford
Answer: E
Difficulty: 1 Easy
Topic: Components of Matter
Bloom's: 1. Remember
Subtopic: Structure of the Atom; Atomic Theories
Accessibility: Keyboard Navigation
Gradable: automatic
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