Question

Exercises
1. Compare the properties of electrons, protons and neutrons
2. What are the limitations of J.J. Thomson's model of the atom?
3. What are the limitations of Rutherford's model of the atom?
4. Describe Bohr's model of the atom.
5. Compare all the proposed models of an atom given in this
chapter.
6. Summarise the rules for writing of distribution of electrons in
various shells for the first eighteen elements.
7. Define valency by taking examples of silicon and oxygen.
SCIENCE​

Answer 1

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