Rutherford classical solar system model11/14/2023 The negatively charged electrons revolve around the nucleus like planets revolve around the sun i.e.The positively charged nucleus is located at the center of the atom and is extremally small in comparison to the size of an atom.Since only a few a-particles deflected with an angle more than 90° or renounced, this indicates that alpha-particles have direct interaction with a hefty positively charged nucleus in a relatively restricted location.īased on the above experiments, Rutherford postulated an atomic model called Rutherford’s atomic model. This demonstrates that the nucleus, which is a dense positively charged mass, is located in the core of the atom. Few a-particles deviate at a modest angle, implying that they must approach a hefty positively charged body within the atom.This demonstrates that the atom has a considerable amount of empty space. Since the majority of the alpha-particles traveled straight through gold foil with no deviation.Based on the above observation, the following conclusions are drawn: Α -particle is a helium nucleus (He) having four unit mass and two-unit positive charge, a-particle will deviate or deflect only when it goes near or strike with another heavier positively charge mass. Only a few a-particles are deflected with angle greater than 90° or rebounded in the back direction.Few a-particles deviated from a small angle.Most of the a-particles (99%) directly passed through gold foil without any deviation.The following observations were made during the experiment When a-particles collide with the sulphide screen, they emit light flashes. In this experiment, the α-particles radium source is placed inside the lead block, the beam of α -particles (rays) is narrowed by applying a lead slit in the route, and highly energized a-particles are permitted to strike on the thin gold foil equipped with a circular fluorescent zinc sulphide screen as shown in the figure. He proved his statement with an experiment by bombarding a thin sheet of gold foil with alpha rays. The electrons surround the nucleus moving in a circular path with high speed and take up the majority of the atom’s volume”. According to the Rutherford Atomic Model “Protons and neutrons, which constitute almost all of the mass of the nuclear atom, are found in the nucleus and lie in the center of the atom“. The nuclear model was named by the physicist name and is known worldwide as Rutherford’s Atomic Model. Rutherford found this by bombarding a thin sheet of gold foil with alpha rays (helium nuclei). In 1911, Ernest Rutherford, a British physicist disputed Thomson’s hypothesis of the atom by demonstrating that atoms as dense, tiny having largely empty space filled with electrons revolving in a fixed path around a positively charged nucleus, like planets revolving around the sun.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |