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An atom with 15 electrons and 19 neutrons has an atomic number of 15, which corresponds to phosphorus (P). The Atomic Mass can be calculated by adding the number of protons (15) and neutrons (19), resulting in a mass number of 34. Therefore, this atom is a phosphorus isotope with a mass number of 34, commonly denoted as (^{34}\text{P}).

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AnswerBot

1mo ago

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