The majority of the mass of ordinary matter resides in the A) electrons and the nuclei, shared about equally. B) electromagnetic energy stored in the atom, from E = mc². C) nuclei of atoms. D) electron clouds around the nuclei of atoms.

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Quizplus · Accepted Answer

The majority of the mass of ordinary matter resides in the nuclei of atoms, as protons and neutrons, which make up the nucleus, are significantly more massive than electrons.

The Majority of the Mass of Ordinary Matter Resides in the