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An atom of iron-56, 56Fe, contains? A.) 26 electrons, 26 protons, 56 neutrons. C.) 26 electrons, 26 protons, 30 neutrons.

An atom of iron-56, 56Fe, contains? A.) 26 electrons, 26 protons, 56 neutrons. C.) 26 electrons, 26 protons, 30 neutrons.
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An atom of iron-56, 56Fe, contains? A.) 26 electrons, 26 protons, 56 neutrons. C.) 26 electrons, 26 protons, 30 neutrons.

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User Louis Huppenbauer
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C)because 56 is the Atomic mass,which is the total no. of nucleons and protons.56 total Atomic mass-30neutrons=26 protons
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User Amer Qarabsa
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