Question

Rutherford's atomic theory [ ] in english

Answer 1

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Rutherford overturned Thomson'smodel in 1911 with his well-known gold foil experiment in which he demonstrated that the atom has a tiny and heavy nucleus. Rutherforddesigned an experiment to use the alpha particles emitted by a radioactive element as probes to the unseen world of atomic structure.

Answer 2

The Rutherford’s Atomic Model

The Rutherford’s atomic model postulated:

– The structure of an atom is hollow, with its positive charge and mass concerted into a dense and small core at its center, and negatively charged electrons, which are lighter, orbiting the core resembling structure of the planetary. Thus, Rutherford’s model is also referred to as the planetary model.

– The atomic mass relates with the atomic nucleus or the atomic core charge.

– The electrons don’t influence the trajectory and pattern of alpha particles.

However, Rutherford’s model had an evident limitation. That is, considering that the electron was consistently accelerating and has a negative charge, eventually, it would be pulled to the nucleus, which is positively charged, as a result making the atom unstable and finally implode. To conquer this limitation, with the assistance of Niels Bohr, Rutherford came up with a theory which hypothesized the existence of a “neutron” which was a neutral-charged particle, and had the exact same mass as a proton. However, this concept wasn’t readily accepted into the scientific field because of lack of proof