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01-06-2022
Chemistry

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Determine the number of neutrons in 20 grams Uranium-238

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01-06-2022

Answer:

146 neutrons

Explanation:

The atomic number of uranium (see periodic table) is 92, and the mass number of the isotope is given as 238. Therefore, it has 92 protons, 92 electrons, and 238 — 92 : 146 neutrons.

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