SCIENCE 101 > EXAM > Gizmos Student Exploration-Nuclear Reactions Answer Key-Graded A-2022-2023 (All)
Gizmos Student Exploration-Nuclear Reactions Answer Key-Graded A-2022-2023
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Gizmos Student Exploration-Nuclear Reactions Answer Key-Graded A-2022-2023 Prior Knowledge Questions (Do these BEFORE using the Gizmo.) The chart below gives the isotope name, element name, numb... er of protons, and number of neutrons of three isotopes. Isotope Protons Neutrons Hydrogen-1 1 0 Carbon-12 6 6 Uranium-235 92 143 1. What do you notice about the isotope number and the sum of protons and neutrons? 2. The element symbol for uranium-238 is 238 U. This means U-238 has a total mass of 238 and contains 92 protons. Write the element symbols for the isotopes in the table: Hydrogen-1 1 Carbon-12 12 Uranium-235 235 92 Gizmo Warm-up The Nuclear Reactions Gizmo simulates a particle accelerator. Particle accelerators speed up atoms to very high velocities, then crash the atoms together with enough energy to cause changes called nuclear reactions. There are three particle beams available in this Gizmo, protons, neutrons, and helium-3 nuclei. 1. Click Fire Proton to engage the first particle beam. What happens CONTINUED... [Show More]
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