InterviewSolution
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InterviewSolution
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ses1. Compare the properties of electrons, protons and neutrons.2. What are the limitations of J.J. Thomson's model of the atom3. What are the limitations of Rutherford's model of the atom4. Describe Bohr's model of the atom.5. Compare all the proposed models of an atom given in thischapter.Summarise the rules for writing of distribution of electrons invarious shells for the first eighteen elements.Define valency by taking examples of silicon and oxygen.6.7. |
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Answer» 1.Neutronsare in every atom (with one exception), and they're bound together with otherneutronsandprotonsin the atomic nucleus. ... When youcomparethe masses ofelectrons,protons, and neutrons, what you find is thatelectronshave an extremely small mass, compared to eitherprotonsorneutrons. 2.According to J.J. Thomson’s model of an atom, an atom consists of a positively charged sphere with electrons embedded in it. However, it was later found that the positively charged particles reside at the centre of the atom called the nucleus, and the electrons revolve around the nucleus. solution of fifth class |
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