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| 1. |
Summarize the rule for writing of distribution of electrons in various shell for the first eighteen elements. |
| Answer» SOLUTION :The rules for writing of the distribution of electrons in various shells for the first eighteen elements are GIVEN below.If n given number of orbit or energy level, the `2N^(2)` gives the maximum number of electron possible in a given orbit or energy level. Thus, first orbit or K shell will have 2 electrons.Second orbit or L - shell will have 8 electrons. Third orbit or M Shell will have 18 electrons. If it is the outermost orbit then it should have not more than 8 electrons.There should be step - wise filling of electrons in DIFFERENT orbits i.e., electrons are not accompanied in a given orbit if the EARLIER orbits or shells are incompletely filled. | |