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16. potassium-40, beta plus + 17. plutonium-238, alpha + 18. excited nickel-60, gamma +

16. potassium-40, beta plus + 17. plutonium-238, alpha + 18. excited nickel-60, gamma +

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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### Nuclear Decay Processes #### 16. Potassium-40, Beta Plus Decay - **Description**: Potassium-40 undergoes beta plus decay. This process involves the conversion of a proton into a neutron with the emission of a positron and a neutrino. - **Diagram Explanation**: - The first block represents the initial state of potassium-40. - The arrow signifies the decay process. - The plus symbol indicates the transformation and emission of a positron. #### 17. Plutonium-238, Alpha Decay - **Description**: Plutonium-238 undergoes alpha decay, where it emits an alpha particle (helium nucleus), resulting in the reduction of its atomic mass by four units and its atomic number by two. - **Diagram Explanation**: - The first block depicts plutonium-238 before decay. - The arrow represents the release of the alpha particle. - The plus sign indicates the resultant nuclei after the decay process. #### 18. Excited Nickel-60, Gamma Decay - **Description**: Excited nickel-60 undergoes gamma decay, emitting a gamma ray to release excess energy and reach a more stable state without changing its atomic number or mass. - **Diagram Explanation**: - The first block shows the excited state of nickel-60. - The arrow denotes the release of a gamma photon. - The plus sign represents the final stable state of nickel-60.
Transcribed Image Text:### Nuclear Decay Processes #### 16. Potassium-40, Beta Plus Decay - **Description**: Potassium-40 undergoes beta plus decay. This process involves the conversion of a proton into a neutron with the emission of a positron and a neutrino. - **Diagram Explanation**: - The first block represents the initial state of potassium-40. - The arrow signifies the decay process. - The plus symbol indicates the transformation and emission of a positron. #### 17. Plutonium-238, Alpha Decay - **Description**: Plutonium-238 undergoes alpha decay, where it emits an alpha particle (helium nucleus), resulting in the reduction of its atomic mass by four units and its atomic number by two. - **Diagram Explanation**: - The first block depicts plutonium-238 before decay. - The arrow represents the release of the alpha particle. - The plus sign indicates the resultant nuclei after the decay process. #### 18. Excited Nickel-60, Gamma Decay - **Description**: Excited nickel-60 undergoes gamma decay, emitting a gamma ray to release excess energy and reach a more stable state without changing its atomic number or mass. - **Diagram Explanation**: - The first block shows the excited state of nickel-60. - The arrow denotes the release of a gamma photon. - The plus sign represents the final stable state of nickel-60.
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