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Question

The electronic configuration of potassium is 2,8,8,1 and not 2,8,9.

Solution
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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.

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Q1
The electronic configuration of potassium is 2,8,8,1 and not 2,8,9.
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Q2

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Q4

Choose the correct option

(a) Rutherford's alpha-particle scattering experiment discovered

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Q5
The electronic configuration of potassium is :
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