How did Rutherford's gold-foil experiment contribute to the development of the atomic model?

• A. It supported the previously accepted model of the atom, known as the "plum pudding model."
• B. It provided evidence for the existence of a small, dense, positively charged nucleus at the center of the atom.
• C. It showed that the positive charge of the atom was spread evenly throughout its structure.
• D. It suggested that the negatively charged electrons are located at the center of the atom.

Answer: (B)