Chemistry > GIZMOS > Gizmos.CHEMISTRY PHYSICAL C9.16 Nuclear Decay Gizmo (5) (All)

Gizmos.CHEMISTRY PHYSICAL C9.16 Nuclear Decay Gizmo (5)

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Student Exploration: Nuclear Decay Vocabulary: alpha particle, atomic number, beta particle, daughter product, gamma ray, isotope, mass number, nuclear decay, positron, radioactive, subatomic partic ... le Gizmo Warm-up While most atoms are stable, some are radioactive, which means that they have a tendency to undergo spontaneous nuclear decay. The decay of radioactive atoms generally results in the emission of particles and/or energy. Several types of nuclear decay can be explored with the Nuclear Decay Gizmo. On the Gizmo, check that Alpha decay and Uranium are selected. 1. Click Play ( ), and then click Pause ( ) when the alpha particle is clearly visible. What is an alpha particle made of? Protons and neutrons 2. Click Play and observe. Besides the alpha particle, what else is emitted from the nucleus during alpha decay? Gamma Rays Gamma rays are energetic electromagnetic waves; they are often emitted in nuclear decay. Activity A: Alpha decay Get the Gizmo ready:  Click Reset ( ).  Check that Alpha decay and Uranium are selected. Question: How does alpha decay change the nucleus of a radioactive atom? 1. Calculate: Turn on Write equation. What you see is an equation that shows the original uranium atom on the left. The boxes on the right represent the daughter product—the atom produced by radioactive decay—and the emitted alpha particle. This study source was downloaded by 100000784424693 from CourseHero.com on 05-30-2021 09:34:46 GMT -05:00 https://www.coursehero.com/file/50677379/916-Nuclear-Decay-Gizmo-5docx/ This study resource was shared via CourseHero.com2019 A. In the set of boxes, enter the mass number and atomic number of the alpha particle, which has the same composition as the nucleus of a helium (He) atom. B. In the top left box, write the mass number of the daughter product. What is this number? 234 C. In the bottom left box, write the atomic number of the daughter product. [Show More]

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