Give any two drawbacks of Rutherford’s model of atom
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✓✓™®©Drawbacks of Rutherford's
model of atom.
☑️Rutherford proposed that electrons revolve at a high speed in circular orbits around the positively charged nucleus. When a charged particle i. e. electron revolves around positively charge nucleus, it needs to be accelerated so as to keep it moving in circular orbits......
☑️The main problem with Rutherford's model was that he could not explain why negatively charged electrons remain in orbit, when they should instantly fall into the positively charged nucleus. This problem would be solved by Danish physicist Niels Bohr in 1913......
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- Rutherford proposed that electrons revolve at a high speed in circular orbits around the positively charged nucleus. When a charged particle i.e., electron revolves around a positively charge nucleus, it needs to be accelerated so as to keep it moving in circular orbits. However, according to electromagnetic theory, whenever a charged particle such as an electron is accelerated around another charged center (nucleus) which is under force of attraction, there will be continuous radiation of energy. This loss of energy would slow down the speed of the electron. This would reduce the radius of the electron orbit. Eventually, the electron would fall into the nucleus. The result would be that the atom would collapse. But this does not happen.
- Thus, Rutherford’s atom could not explain the stability of the atom. Failure of Rutherford’s model i.e., reduction of radius of orbit . Rutherford proposed that electrons revolve around the nucleus in the fixed orbits. However, he did not specify the orbits and the number of electrons in each orbit.
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