Domanda del libro di testo
Predict a likely mode of decay for each unstable nuclide. b. Al-34
Ch.21 - Radioactivity & Nuclear Chemistry
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving118
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds131
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions82
- Ch.6 - Gases114
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements90
- Ch.10 - Chemical Bonding I: The Lewis Model89
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials47
- Ch.14 - Solutions90
- Ch.15 - Chemical Kinetics115
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases136
- Ch.18 - Aqueous Ionic Equilibrium153
- Ch.19 - Free Energy & Thermodynamics93
- Ch.20 - Electrochemistry106
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry140
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Capitolo 21, Problema 42c
Predict a likely mode of decay for each unstable nuclide. c. In-132
Guida verificata passo dopo passo1
Identify the atomic number and mass number of the nuclide In-132. Indium (In) has an atomic number of 49.
Determine the neutron number by subtracting the atomic number from the mass number: Neutron number = 132 - 49.
Compare the neutron-to-proton ratio of In-132 to the stable isotopes of indium. A high neutron-to-proton ratio suggests beta decay.
Consider the position of In-132 on the chart of nuclides. Nuclides with a high neutron-to-proton ratio typically undergo beta decay to convert a neutron into a proton.
Conclude that the likely mode of decay for In-132 is beta decay, where a neutron is converted into a proton, emitting a beta particle (electron) and an antineutrino.
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Nuclear Decay
Nuclear decay refers to the process by which an unstable atomic nucleus loses energy by emitting radiation. This can occur through various modes, including alpha decay, beta decay, and gamma decay, each characterized by the type of particle or energy released. Understanding the specific decay mode is crucial for predicting the behavior of unstable nuclides.
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03:53
Alpha Decay
Isotopes and Stability
Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons. The stability of an isotope depends on the ratio of neutrons to protons; an imbalance can lead to instability and subsequent decay. For example, Indium-132 (In-132) is an isotope that may undergo decay due to its neutron-to-proton ratio.
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04:36Isotopes
Decay Chains
Decay chains are sequences of decays that occur when a radioactive nuclide transforms into a series of other nuclides until a stable one is reached. Each step in the chain can involve different decay modes, and understanding these chains is essential for predicting the final products of a given unstable nuclide, such as In-132.
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03:01Beta Decay
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