Chemistry for Changing Times, 11th edition
John W. Hill and Doris K. Kolb
Chapter 4: Nuclear Chemistry: The
Heart of the Matter
James A. Noblet
California State University
San Bernardino, CA
 2007 Prentice Hall
Most of our exposure to ionizing radiation is from natural
sources, the majority of which is due to this element:
1.
2.
3.
4.
5.
Radium
Uranium
Radon
Plutonium
Carbon-14
Most of our exposure to ionizing radiation is from natural
sources, the majority of which is due to this element:
1.
2.
3.
4.
5.
Radium
Uranium
Radon
Plutonium
Carbon-14
When an electron is emitted during a radioactive decay
process, it is referred to as:
1.
2.
3.
4.
5.
Alpha decay
Beta decay
Gamma decay
Delta decay
Sigma decay
When an electron is emitted during a radioactive decay
process, it is referred to as:
1.
2.
3.
4.
5.
Alpha decay
Beta decay
Gamma decay
Delta decay
Sigma decay
Which of the following types of radiation has the greatest
penetrating power?
1.
2.
3.
4.
5.
Alpha
Beta
Ultraviolet
X-ray
Gamma
Which of the following types of radiation has the greatest
penetrating power?
1.
2.
3.
4.
5.
Alpha
Beta
Ultraviolet
X-ray
Gamma
If you have 16 g of a radioactive isotope, how much will be
left after three half-lives?
1.
2.
3.
4.
5.
1g
2g
4g
6g
8g
If you have 16 g of a radioactive isotope, how much will be
left after three half-lives?
1
general formula  n ,
2
w heren  no. of half - lives
1 1 1 1 1
   
3
2
2 2 2 8
1.
2.
3.
4.
5.
1g
2g
4g
6g
8g
The nuclear reaction transforming gold-179 into
iridium-175 is an example of what type of decay?
179
79
Au Ir  ?
175
77
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?
179
79
Au Ir He
175
77
4
2
1. Alpha
2. Beta
3. Gamma
4. Positron
5. Electron capture