What repelled the alpha particles in the gold foil experiment?

What repelled the alpha particles in the gold foil experiment?
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An alpha particle is a helium-4 nucleus, and it has a +2 charge.Atomic nuclei have a positive charge, and like charges repel. Ifalpha particles encounter gold nuclei in their travels, that atomicnucleus will deflect the alpha particle. And it can even cause somealpha particles to appear to bounce back towards the source.
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Where did most of the alpha particles fired at the foil go in the gold foil experiment?

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In 1909 Ernest Rutherford conducted an experiment in which he fired alpha particles at a sheet of gold foil. What unexpected result did he get?

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Last Answer : What is the answer ?

In Rutherford's experiment involving the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered, led to one of the following conclusions. It was concluded that: w) the charge of an electron is negative x) the nucleus of a gold atom carries all its charge y) most of the mass of a gold atom is in its nucleus z) the nucleus of a gold atom occupies nearly the entire space of the atom

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Suppose Rutherford had not seen any alpha particles deflected back from the gold foil. How would this most likely have affected scientific understanding of the structure of an atom?

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In the Gold foil experiment of Geiger and Marsden, that paved the way for Rutherford’s model of an atom, ~ 1.00% of the α-particles were found to deflect at angles > 50º. If one mole of α- -Science

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