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An atom of the most common isotope of gold, au-197, has ________ protons, ________ neutrons, and ________ electrons.
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An atom of the most common isotope of gold, au-197, has ________ protons, ________ neutrons, and ________ electrons.

User Akdombrowski
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An atom of the most common isotope of gold, au-197, has 79 protons, 118 neutrons, and 79 electrons.
User Raz
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