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Nuclear Decay Equations Learning Goal: To predict the products of alpha emission, beta emission, positron emission, and electron capture. Radioactivity is the spontaneous emission of radiation from an unstable nucleus. There are five major types of radioactive decay: 1. Alpha (a) radiation consists of helium nuclei. The helium nucleus is a small particle containing two protons and two neutrons (He). 2. Beta (3) radiation consists of electrons. In nuclear equations, the standard format for representing a beta particle using superscripts and subscripts is ºe. 3. Positron emission results from the conversion of a proton in the nucleus to a neutron. The ejected positron is a particle that has the same mass as an electron but an opposite charge. In nuclear equations, the standard format for representing a positron using superscripts and subscripts is º is je 4. Electron capture is the capture of an inner shell electron by a proton in the nucleus. The process emits gamma (y) radiation and results in a proton converting to a neutron. Gamma radiation consists of high- energy electromagnetic radiation. 5. Gamma (y) radiation consists of high- energy radiation, and contains no particles and thus they have no mass. In nuclear equations, the standard format for representing gamma radiation using superscripts and subscripts is y ▼ Part A Identify the nuclide produced when neptunium-237 decays by alpha emission: 23 Np He + ? Express your answer as an isotope using prescripts. ▸ View Available Hint(s) Submit A chemical reaction does not occur for this question. Part B ΑΣΦ 1 0 ? Identify the nuclide produced when thorium-234 decays by beta emission: The + ? Express your answer as an isotope using prescripts. View Available Hint(s) ΑΣΦ A chemical reaction does not occur for this question. 3 of 43 Review | Constants | Periodic Table

Nuclear Decay Equations Learning Goal: To predict the products of alpha emission, beta emission, positron emission, and electron capture. Radioactivity is the spontaneous emission of radiation from an unstable nucleus. There are five major types of radioactive decay: 1. Alpha (a) radiation consists of helium nuclei. The helium nucleus is a small particle containing two protons and two neutrons (He). 2. Beta (3) radiation consists of electrons. In nuclear equations, the standard format for representing a beta particle using superscripts and subscripts is ºe. 3. Positron emission results from the conversion of a proton in the nucleus to a neutron. The ejected positron is a particle that has the same mass as an electron but an opposite charge. In nuclear equations, the standard format for representing a positron using superscripts and subscripts is º is je 4. Electron capture is the capture of an inner shell electron by a proton in the nucleus. The process emits gamma (y) radiation and results in a proton converting to a neutron. Gamma radiation consists of high- energy electromagnetic radiation. 5. Gamma (y) radiation consists of high- energy radiation, and contains no particles and thus they have no mass. In nuclear equations, the standard format for representing gamma radiation using superscripts and subscripts is y ▼ Part A Identify the nuclide produced when neptunium-237 decays by alpha emission: 23 Np He + ? Express your answer as an isotope using prescripts. ▸ View Available Hint(s) Submit A chemical reaction does not occur for this question. Part B ΑΣΦ 1 0 ? Identify the nuclide produced when thorium-234 decays by beta emission: The + ? Express your answer as an isotope using prescripts. View Available Hint(s) ΑΣΦ A chemical reaction does not occur for this question. 3 of 43 Review | Constants | Periodic Table

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter18: Nuclear Chemistry
Section: Chapter Questions
Problem 58QRT
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Nuclear Decay Equations Learning Goal: To predict the products of alpha emission, beta emission, positron emission, and electron capture. Radioactivity is the spontaneous emission of radiation from an unstable nucleus. There are five major types of radioactive decay: 1. Alpha (a) radiation consists of helium nuclei. The helium nucleus is a small particle containing two protons and two neutrons (He). 2. Beta (3) radiation consists of electrons. In nuclear equations, the standard format for representing a beta particle using superscripts and subscripts is e 3. Positron emission results from the conversion of a proton in the nucleus to a neutron. The ejected positron is a particle that has the same mass as an electron but an opposite charge. In nuclear equations, the standard format for representing a positron using superscripts and subscripts is le. 4. Electron capture is the capture of an inner shell electron by a proton in the nucleus. The process emits gamma (y) radiation and results in a proton converting to a neutron. Gamma radiation consists of high- energy electromagnetic radiation. 5. Gamma (y) radiation consists of high- energy radiation, and contains no particles and thus they have no mass. In nuclear equations, the standard format for representing gamma radiation using superscripts and subscripts is ▼ Part A Identify the nuclide produced when neptunium-237 decays by alpha emission:23 Np He + ? Express your answer as an isotope using prescripts. ► View Available Hint(s) Submit Part B ΑΣΦ A chemical reaction does not occur for this question. = d 90 Identify the nuclide produced when thorium-234 decays by beta emission:200The + ? Express your answer as an isotope using prescripts. ► View Available Hint(s) ΑΣΦ ? P Pearson ? A chemical reaction does not occur for this question. 3 of 43 Review | Constants | Periodic Table
Transcribed Image Text:Nuclear Decay Equations Learning Goal: To predict the products of alpha emission, beta emission, positron emission, and electron capture. Radioactivity is the spontaneous emission of radiation from an unstable nucleus. There are five major types of radioactive decay: 1. Alpha (a) radiation consists of helium nuclei. The helium nucleus is a small particle containing two protons and two neutrons (He). 2. Beta (3) radiation consists of electrons. In nuclear equations, the standard format for representing a beta particle using superscripts and subscripts is e 3. Positron emission results from the conversion of a proton in the nucleus to a neutron. The ejected positron is a particle that has the same mass as an electron but an opposite charge. In nuclear equations, the standard format for representing a positron using superscripts and subscripts is le. 4. Electron capture is the capture of an inner shell electron by a proton in the nucleus. The process emits gamma (y) radiation and results in a proton converting to a neutron. Gamma radiation consists of high- energy electromagnetic radiation. 5. Gamma (y) radiation consists of high- energy radiation, and contains no particles and thus they have no mass. In nuclear equations, the standard format for representing gamma radiation using superscripts and subscripts is ▼ Part A Identify the nuclide produced when neptunium-237 decays by alpha emission:23 Np He + ? Express your answer as an isotope using prescripts. ► View Available Hint(s) Submit Part B ΑΣΦ A chemical reaction does not occur for this question. = d 90 Identify the nuclide produced when thorium-234 decays by beta emission:200The + ? Express your answer as an isotope using prescripts. ► View Available Hint(s) ΑΣΦ ? P Pearson ? A chemical reaction does not occur for this question. 3 of 43 Review | Constants | Periodic Table
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