How is Rutherford model different from the previous model?

Answer 1

Rutherford's model for the atom, based on the Geiger-Marsden experiment results, contained the new features of a relatively high central charge concentrated into a very small volume in comparison to the rest of the atom and with this central volume also containing the bulk of the Atomic Mass of the atom. later this is called as nucleus.

Answer 2

Before Rutherford, scientists assumed that the atom was a single particle. Rutherford presented his a revolutionary, physical atomic model that suggested an atom consists of a central charge (the term 'nucleus' was coined after Rutherford's model was presented) that is surrounded, presumably, by a cloud of orbiting electrons.

Rutherford's model was later improved upon by Niels Bohr, father of the Bohr-model. Rutherford made no connection to an element's atomic number and the number of protons within an atom's nucleus; however, his atomic model paved the way for the discovery of this correlation only a couple years after the model was designed.

Answer 3

Rutherford describes the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the mass is concentrated. He confirmed the existence of proton. He pictured in his model that electrons are in motion around the nucleus. According to Rutherford's model, electrons may move anywhere within the volume of space around the nucleus. This concept contradicts with the atomic model that was later proposed by Niels Bohr. Bohr made restrictions to the movement of electrons by imposing pictures of electrons in an orbit around the nucleus. In his theory, he used the quantum rule which was introduced by Max Planck.

Rutherford's Model

Bohr's Model