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Chemistry, 02.02.2020 07:44 haily13

An atom is determined to contain 17 protons, 18 electrons, and 18 neutrons. what are the mass number and charge of this atom or ion?
mass number: 36, charge: -1
mass number: 35, charge: +1
mass number: 35, charge: -1
mass number: 36, charge: neutral

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