atomic models


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Drawback of Rutherford's Atomic Model
Rutherford model Rutherford proposed that electrons revolve at high speed in circular orbits around the positively charged nucleus. But according to the electromagnetic theory, if a charged particle were accelerated around another charged particle then there would be a continuous radiation of energy. The loss of ..
Bohr's Atomic Model
Bohr's Atomic Model - In 1913, Neils Bohr proposed a model of an atom based on the Planck's quantum theory of radiation. The basic postulates of Bohr's theory are: An atom consists of a small, heavily positively charged nucleus around which electron..
Rutherford's Atom Model (Main Features)
Rutherford s atomic model Rutherford's Atom Model (Main Features) - (i) Every atom consists of a nucleus containing the entire +ve charge. The whole mass of atom is concentrated at this core. (ii) The size of the nucleus i.e., 10 - 1 5 m is very small compared to the size of the ..
Rutherford's Atom Model (Main Features)
Every atom consists of a nucleus containing the entire +ve charge. The whole mass of atom is concentrated at this cor..
Thomson's Model of Atom - 'Raisin Pudding' Model
thomson raisin pudding model of the atom J. J Thomson, the discoverer of the electron believed that the atom is a uniform sphere of positive charge with electrons (raisins) embedded in it. This model explained the electrical neutrality of atom, but it failed to explain how these fundamental particles were ar..
Quantum Mechanical Model of the Atom
Two new theories came to substantially modify Bohr's Atomic model. They a..
Bohr's Model of an Atom
Neils Bohr model Atom Bohr's Model of an Atom - Rutherford's model had a major drawback. It could not explain why ultimately electrons did not fall into the nucleus by taking a spiral path. This was in concurrence with the electromagnetic theory that states 'if a charged particle undergoes ..
Bohr's Model of an Atom
Rutherford's model had a major drawback. It could not explain why ultimately electrons did not fall into the nucleus by taking a spiral path. This was in concurrence with the electromagnetic theory that states 'if a charged particle undergoes accelerated motion then it must radiate ..
Drawback of Rutherford's Atomic Model
diagram showing energy losing electron falling into nucleus Rutherford proposed that electrons revolve at high speed in circular orbits around the positively charged nucleus. But according to the electromagnetic theory, if a charged particle were accelerated around another charged particle then there would be a continuous radiation of energy. The loss of ..
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