Chapter 01
Test Bank: Portable Electronics: The Periodic Table in the Palm of Your Hand
1. The quantity 0.0000064 g expressed in scientific notation.
A. 6.4 × 106 g
B. 6.4 × 10¯6 g
C. 6.4 × 107 g
D. 6.4 × 10¯7 g
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 01
Section: 01.08
Subtopic: Scientific Notation
Topic: Study of Chemistry
Feedback: Negative powers of ten move the decimal to the left.
2. The quantity 8.7 × 105 g expressed in standard decimal notation.
A. 0.000087 g
B. 870.000 g
C. 0.0000087 g
D. 870,000 g
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 01
Section: 01.08
Subtopic: Measurements
Subtopic: Scientific Notation
Topic: Study of Chemistry
Feedback: Positive powers of ten move the decimal to the right.
3. A substance that can be broken down into two or more simpler substances by chemical methods is called a(n)
A. compound.
B. mixture.
C. element.
D. isotope.
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Chapter: 01
Section: 01.01
Subtopic: Classification of Matter
Subtopic: Fundamental Definitions
Topic: Components of Matter
Topic: Study of Chemistry
Feedback: Mixtures are separable by physical means.
4. On a Periodic Table, the columns of elements with similar properties are
A. periods.
B. groups.
C. rows.
D. metals.
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Chapter: 01
Section: 01.01
Subtopic: Periodic Table
Topic: Components of Matter
Topic: Study of Chemistry
Feedback: These are green in the periodic table in your textbook.
6. Which is not a mixture?
A. A jar filled with rocks and sand
B. Sea water
C. A glass of Kool-Aid
D. Sodium chloride
Accessibility: Keyboard Navigation
Bloom's Level: 2. Understand
Chapter: 01
Section: 01.01
Subtopic: Fundamental Definitions
Subtopic: Properties of Matter
Topic: Components of Matter
Mixtures include more than one pure substance.
7. Which is not a pure substance?
A. Helium
B. Copper wire
C. Air
D. Sucrose
Accessibility: Keyboard Navigation
Bloom's Level: 2. Understand
Chapter: 01
Section: 01.01
Subtopic: Properties of Matter
Topic: Components of Matter
Feedback: Mixtures are not pure substances.
8. Which squares contain mixtures?
A. II and III only
B. III and IV only
C. I, III, and IV only
D. I and IV only
Bloom's Level: 3. Apply
Chapter: 01
Section: 01.01
Subtopic: Molecules
Subtopic: Properties of Matter
Topic: Components of Matter
Feedback: Mixtures will have different substances in the same box.
,A. I only
B. II only
C. I and II only
D. III and IV only
Bloom's Level: 3. Apply
Chapter: 01
Section: 01.01
Subtopic: Elements
Subtopic: Fundamental Definitions
Topic: Components of Matter
Feedback: Elements will only have one type of atom in the box.
10. Which symbols represent only elements that are metals?
A. X and Z
B. X and Q
C. P and L
D. X, R, P, and Q
Bloom's Level: 2. Understand
Chapter: 01
Section: 01.01
Subtopic: Periodic Table
Topic: Components of Matter
Feedback: Nonmetals reside in the upper right corner of the periodic table.
11. Which symbol(s) represent(s) elements in the noble gas family?
, C. Q
D. Y
Bloom's Level: 1. Remember
Chapter: 01
Section: 01.01
Subtopic: Scientific Method
Topic: Components of Matter
Feedback: Noble gases are in the far right column of the periodic table.
12. Which differentiates a compound from a mixture of two or more elements?
A. The elements in a compound may be present in varying proportions
B. A compound does not exhibit the individual properties of the elements of which it is composed
C. A compound is made up of only one element
D. A compound cannot be made up of more than two elements
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 01
Section: 01.01
Subtopic: Classification of Matter
Subtopic: Fundamental Definitions
Topic: Components of Matter
Feedback: Remember that compounds are elements bound together by chemical bonds.
13. Which substance is an element?
A. NO2
B. NaCl
C. N2
D. CH4
Accessibility: Keyboard Navigation
Bloom's Level: 2. Understand
Chapter: 01
Section: 01.01
Subtopic: Elements
Topic: Components of Matter
Feedback: Only one has just one symbol in the formula.
14. A(n) ________ is a fixed number of atoms held together by chemical bonds in a certain spatial arrangement.
A. element
B. ion
C. molecule
D. mixture
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Chapter: 01
Section: 01.01
Subtopic: Fundamental Definitions
Subtopic: Molecules
Topic: Components of Matter
Feedback: Remember which of these have more than one element that are also bonded together.
15. Which diagram(s) best represent(s) only diatomic molecules?
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