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What is the mass number of an ion with 104 electrons, 157 neutrons, and a 1 charge?
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What is the mass number of an ion with 104 electrons, 157 neutrons, and a 1 charge?

User Igorrious
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ANSWER: 262
explanation: An atom's mass number will tell you how many protons and neutrons can be found in said atom's nucleus.
User Yincrash
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