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Chemistry, 08.07.2019 14:00 YoVeoAnime

If a neutral atom of oxygen (o) has 8 protons, 8 electrons and 7 neutrons, what is the mass number of this atom? a.8b.15c.16d.23

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If a neutral atom of oxygen (o) has 8 protons, 8 electrons and 7 neutrons, what is the mass number o...

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