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When a nucleus undergoes radioactive decay a daughter nucleus is formed. The daughter nucleus is lighter and more stable than the nucleus that decayed. When an unstable element emits an a ray, the phenomenon is known as a decay. Similarly, when an unstable element emits a 3 ray, the phenomenon is known as 3 decay, and when an unstable element emits a y ray, the phenomenon is known as y decay. The element that emits radiation is known as the parent element, and the resulting element is known as the daughter element. You can consider the following rules when identifying the type of radioactive decay present in an element. 1. During a decay, the mass number of the parent element decreases by 4, and the atomic number decreases by 2. 2. When an atom emits a 3 ray, the mass number does not change, and the atomic number of the parent element increases by 1. This occurs because a Bray is composed of only high-speed electrons, and electrons have negligible mass and carry a negative charge. 3. During y decay, neither the atomic number nor the mass number changes, because a y ray is an electromagnetic radiation that has neither mass nor charge. Part A Identify the product of radioactive decay Identify the product of radioactive decay and classify the given nuclear reactions accordingly. Drag the appropriate items to their respective bins. View Available Hint(s) a decay 23Ra-2Rn+? 24Pb-2Bi+? 22Pu-22U+? 1N 180+? Ni-Ni+? decay y decay Reset Help

When a nucleus undergoes radioactive decay a daughter nucleus is formed. The daughter nucleus is lighter and more stable than the nucleus that decayed. When an unstable element emits an a ray, the phenomenon is known as a decay. Similarly, when an unstable element emits a 3 ray, the phenomenon is known as 3 decay, and when an unstable element emits a y ray, the phenomenon is known as y decay. The element that emits radiation is known as the parent element, and the resulting element is known as the daughter element. You can consider the following rules when identifying the type of radioactive decay present in an element. 1. During a decay, the mass number of the parent element decreases by 4, and the atomic number decreases by 2. 2. When an atom emits a 3 ray, the mass number does not change, and the atomic number of the parent element increases by 1. This occurs because a Bray is composed of only high-speed electrons, and electrons have negligible mass and carry a negative charge. 3. During y decay, neither the atomic number nor the mass number changes, because a y ray is an electromagnetic radiation that has neither mass nor charge. Part A Identify the product of radioactive decay Identify the product of radioactive decay and classify the given nuclear reactions accordingly. Drag the appropriate items to their respective bins. View Available Hint(s) a decay 23Ra-2Rn+? 24Pb-2Bi+? 22Pu-22U+? 1N 180+? Ni-Ni+? decay y decay Reset Help

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter14: Nuclear Chemistry
Section: Chapter Questions
Problem 14.36PAE
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When a nucleus undergoes radioactive decay a daughter nucleus is formed. The daughter nucleus is lighter and more stable than the nucleus that decayed. When an unstable element emits an a ray, the phenomenon is known as a decay. Similarly, when an unstable element emits a 3 ray, the phenomenon is known as 3 decay, and when an unstable element emits a y ray, the phenomenon is known as y decay. The element that emits radiation is known as the parent element, and the resulting element is known as the daughter element. You can consider the following rules when identifying the type of radioactive decay present in an element. 1. During a decay, the mass number of the parent element decreases by 4, and the atomic number decreases by 2. 2. When an atom emits a ß ray, the mass number does not change, and the atomic number of the parent element increases by 1. This occurs because a ß ray is composed of only high-speed electrons, and electrons have negligible mass and carry a negative charge. 3. During y decay, neither the atomic number nor the mass number changes, because a y ray is an electromagnetic radiation that has neither mass nor charge. Part A Identify the product of radioactive decay Identify the product of radioactive decay and classify the given nuclear reactions accordingly. Drag the appropriate items to their respective bins. View Available Hint(s) a decay 23Ra 23Rn+? 214Pb-2Bi+? 22Pu-23U+? 1N 180+? Ni-Ni+? decay y decay Reset Help
Transcribed Image Text:When a nucleus undergoes radioactive decay a daughter nucleus is formed. The daughter nucleus is lighter and more stable than the nucleus that decayed. When an unstable element emits an a ray, the phenomenon is known as a decay. Similarly, when an unstable element emits a 3 ray, the phenomenon is known as 3 decay, and when an unstable element emits a y ray, the phenomenon is known as y decay. The element that emits radiation is known as the parent element, and the resulting element is known as the daughter element. You can consider the following rules when identifying the type of radioactive decay present in an element. 1. During a decay, the mass number of the parent element decreases by 4, and the atomic number decreases by 2. 2. When an atom emits a ß ray, the mass number does not change, and the atomic number of the parent element increases by 1. This occurs because a ß ray is composed of only high-speed electrons, and electrons have negligible mass and carry a negative charge. 3. During y decay, neither the atomic number nor the mass number changes, because a y ray is an electromagnetic radiation that has neither mass nor charge. Part A Identify the product of radioactive decay Identify the product of radioactive decay and classify the given nuclear reactions accordingly. Drag the appropriate items to their respective bins. View Available Hint(s) a decay 23Ra 23Rn+? 214Pb-2Bi+? 22Pu-23U+? 1N 180+? Ni-Ni+? decay y decay Reset Help
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