Answer: it suggests that the positive charge of the gold atom is concentrate at a very small location called the nucleus. The alpha Particles that passes through the gold atom undisturbed must have passed through the sides that is distant from the nucleus
Explanation:
The reason why most of the alpha particles passed directly through the gold atoms undisturbed is;
because the alpha particles and the nucleus are both positive and it suggests that the structure of the gold atom has a positive nucleus.
This was a research done by rutherford's experiment on the atom where he discovered that the atom is mostly empty with a very tiny nucleus that is very dense.
Now, the alpha particles going through the gold atoms were positively charged. From rutherford's experiment, the nucleus was made up of protons which were positively charged and neutrons which are neutral and as such the nucleus is positively charged.
We know that like poles repel and since the alpha particles and the nucleus of the gold atom were both positively charged, they would not have been able to attract themselves and thus the alpha particles would pass undisturbed.
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