Question

Summarise the rules for writing of distribution of electrons in various shells for the 1st 18 elements?​

Answer 1

Answer:

the first energy level must contain two electrons while the second energy level to the last can only contain upto a maximum of eight electrons  

for example 2:5,2:8, 2:8:3, 2:8:7

Explanation:

Answer 2

Answer:

The distribution of elements in various shells of an atom is

called electronic configuration in order to write the electronic configuration of an element

one should proceed as follows.

Explanation:

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