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A stable atom has 26 protons, 26 electrons, and 30 neutrons. Its atomic mass would be
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A stable atom has 26 protons, 26 electrons, and 30 neutrons. Its atomic mass would be

User Behe
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There are 26 protons, and 30 neutrons, and thus its mass number = 56⋅amu
User Dckuehn
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