Who suggested that most of the mass of the atom is located in the nucleus? A. Thompson B. Bohr C. Rutherford D. Einstein

The correct answer is C. Rutherford.

Rutherford conducted the gold foil experiment in 1911, which showed that the atom is mostly empty space with a small, dense nucleus at its center. This nucleus contains protons and neutrons, which account for most of the atom’s mass.

Thompson proposed the plum pudding model of the atom in 1904, which suggested that the atom is a sphere of positive charge with electrons embedded in it. This model was later shown to be incorrect by Rutherford’s gold foil experiment.

Bohr proposed the Bohr

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