Chemistry

Mireya Hahn

21 August, 07:15

An atom of an element with atomic number 48 and mass number 120 contains A. 48 protons, 48 electrons, and 72 neutrons. B. 72 protons, 48 electrons, and 48 neutrons. C. 120 protons, 48 electrons, and 72 neutrons. D. 72 protons, 72 electrons, and 48 neutrons.

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