Introductory Chemistry A Foundation 7th Edition by Steven S. Zumdahl-Test Bank

Get the Test Bank for Introductory Chemistry A Foundation 7th Edition by Steven S. Zumdahl

This book can be found with ISBN-10:0538740523 and ISBN-13:978-0538740524

Chapter 02 – Measurements and Calculations

1. Represent 1840000 in scientific notation.

a) 5.41 × 10–8

b) 1.84 × 10–6

c) 1.84 × 106

d) 184 × 106

e) 184 × 104

Answer: C
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

2. Express 30523000 in scientific notation.

a) 3 × 107

b) 3.0523 × 107

c) 305 × 107

d) 30523 × 103

e) 305230 × 107

Answer: B
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

3. Write 8,394 in standard scientific notation.

a) 8394

b) 8.394 × 10–3

c) 839.4 × 101

d) 8.394 × 1000

e) 8.394 × 103

Answer: E
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

4. Convert 0.00003009 into exponential notation as

a) 3.009 × 10–5

b) 3.0 × 10–5

c) 3.009 × 105

d) 3.009 × 10–4

e) 3.009

Answer: A
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

5. Present the number 0.002 in exponential notation as

a) 2 × 103

b) 2 × 104

c) 2 × 10–3

d) 2 × 10–4

e) none of the above

Answer: C
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

6. Convert 0.00215 to exponential notation as

a) 2.15 × 103

b) 2.15 × 10–2

c) 215 × 103

d) 2.15 × 102

e) 2.15 × 10–3

Answer: E
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

7. Express 0.005837 in scientific notation as

a) 5.84 × 103

b) 5.837 × 103

c) 5.84 × 10–3

d) 5.837 × 10–3

e) 5837 × 10–6

Answer: D
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

8. Write 600,000 in scientific notation as

a) 6.0 × 105

b) 6.0 × 10–5

c) 60 × 104

d) 600 × 103

e) 6 × 105

Answer: E
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

9. Represent 178481 in scientific notation as

a) 1.78481 × 10–5

b) 1.78481 × 105

c) 1.78 × 105

d) 178.481 × 103

e) 1.8 × 10–5

Answer: B
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry

10. Convert 0.00395 into scientific notation as

a) 3.95 × 10–3

b) 3.95 × 103

c) 0.395 × 10–3

d) 395 × 10–5

e) none of the above

Answer: A
Difficulty Level: Simple
Point: 1
Topic: measurement concepts
Key: significant figures, scientific notation
Subject: fundamental chemistry