1204480 1204480

27-10-2020
Chemistry

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An atom has a mass number of 19 and an atomic number of 9. What
element is it? What is its symbol? How many protons, neutrons, and
electrons does it have?

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Аноним Аноним

27-10-2020

Fluorine, it has 9 protons, 9 electrons, and 10 neutrons.

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