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Compared to other answers, I would say that two atoms can definitely touch each other - this is why solid matter is "stiff" (minimum of van der Waals interaction is of the order of radius of an atomic cloud). The atoms can even overlap and they often do, say excited to a Rydberg state. In the latter case, the cloud of electrons encompasses other neutral ...


So no it is not possible to cut a nucleus or an atom in two, it is not even possible for two atoms to even touch because of electrostatic forces between the atoms. The electrons of both atoms will make two atoms strongly repel at some distance. At normal or usual distances, I should say, two atoms will barely have an effect on one another because the ...

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