The Rutherford \( \alpha \)-particle experiment shows that most of the \( \alpha \)-particles pa...

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The Rutherford \( \alpha \)-particle experiment shows that most of the \( \alpha \)-particles pass through almost unscattered while some are scattered through large angles. What information does it give about the structure of the atom?
(A) Atom is hollow
(B) The whole mass of the atom is concentrated in a small centre called nucleus
(C) Nucleus is positively charged
(D) All the above
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