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Do Now: 1. Determine how many protons, neutrons, and electrons are in: a. Selenium-79 b. Xenon-131 c. Cesium-133 2. Determine the number of protons, neutrons,
Do Now: 1. Determine how many protons, neutrons, and electrons are in: a. Selenium-79 b. Xenon-131 c. Cesium-133 2. Determine the number of protons, neutrons,
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