Summarize the rules for writing of distribution of electrons in various shells for the first eighteen elements?
Answers
Answer:
The distribution of elements in different orbits is governed by a scheme called Bohr-Bury scheme. There are following rules:
(i) The maximum number of electrons present in any shell is given by the formula In1.
Where n = no. of orbit.
(ii) The maximum number of electrons that can be accommodated in the outermost shell is 8.
(iii) Electrons in an atom do not occupy a new shell unless all the inner shells are completely filled.
Answer:
Each number of electrons is separated from the other shell by a comma. For example, sodium (atomic number 11) has 11 electrons in its atom. According to 2n^2 rule, K shell should be filled with 2 electrons and then L shell will be filled with 8 electrons and in the end one left electron will go to N shell.
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