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II. 1. In a famous experiment conducted by Ernest Rutherford, positively charged alpha particles were scattered by a thin gold foil. Which of the following is a conclusion that resulted from this experiment? A. The nucleus is negatively charged. B. The atom is a dense solid and is indivisible. C. The mass is conserved when atoms react chemically. D. The nucleus is very small and the atom is mostly empty space
He fired alpha particles at a thin gold foil. After carrying out the experiment, he concluded that the atoms were mainly empty space, and that most of the matter was contained in a small, very dense, positively charged object that was more massive than the alpha particle.
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