Question

why potassium has an electronic configuration 2,8,8,1 instead of 2,8,9 ??????????!!​

Answer 1

Answer:

Explanation:

this is because due to octate's law the last orbit cannot have more than 8 electrons

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Answer 2

Answer:

Explanation:

According to octet rule, the outermost shell of an atom can accommodate maximum 8 electrons (except K shell which can accommodate maximum 2 electrons). Hence, the electronic configuration of potassium is 2,8,8,1 and not 2,8,9.