Question

Who discovered most of an atom's mass in the nucleus?

Answer 1

e Rutherford invented are discovered most of an atom in the nucleus

Answer 2

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Ernest Rutherford

This video takes us in 1911, in Manchester, on a journey through the history of particle physics., when Ernest Rutherford conducted a historical experiment that revealed that most of the mass of an atom is concentrated in a tiny nucleus made of protons and neutrons.