Chapter 4: Nuclear Chemistry: The Heart of the Matter

James A. Noblet

California State University

San Bernardino, CA

2007 Prentice Hall

Chemistry for Changing Times, 11th edition

John W. Hill and Doris K. Kolb

Most of our exposure to ionizing radiation is from natural sources, the majority of which is due to this element:

1. Radium

2. Uranium

3. Radon

4. Plutonium

5. Carbon-14

Most of our exposure to ionizing radiation is from natural sources, the majority of which is due to this element:

1. Radium

2. Uranium

3. Radon

4. Plutonium

5. Carbon-14

When an electron is emitted during a radioactive decay process, it is referred to as:

1. Alpha decay

2. Beta decay

3. Gamma decay

4. Delta decay

5. Sigma decay

When an electron is emitted during a radioactive decay process, it is referred to as:

1. Alpha decay

2. Beta decay

3. Gamma decay

4. Delta decay

5. Sigma decay

Which of the following types of radiation has the greatest penetrating power?

1. Alpha

2. Beta

3. Ultraviolet

4. X-ray

5. Gamma

Which of the following types of radiation has the greatest penetrating power?

1. Alpha

2. Beta

3. Ultraviolet

4. X-ray

5. Gamma

If you have 16 g of a radioactive isotope, how much will be left after three half-lives?

1. 1 g

2. 2 g

3. 4 g

4. 6 g

5. 8 g

If you have 16 g of a radioactive isotope, how much will be left after three half-lives?

1. 1 g

2. 2 g

3. 4 g

4. 6 g

5. 8 g8

1

2

1

2

1

2

1

2

1

2

1

3

n

lives-half of no.n where

, formula general

The nuclear reaction transforming gold-179 into iridium-175 is an example of what type of decay?

?IrAu 17577

17979

1. Alpha

2. Beta

3. Gamma

4. Positron

5. Electron capture

The nuclear reaction transforming gold-179 into iridium-175 is an example of what type of decay?

HeIrAu 42

17577

17979

1. Alpha

2. Beta

3. Gamma

4. Positron

5. Electron capture