Question

the element,from the elements lithium,sodium,potassium having the least number of electron shells

Answer 1

1 is the the least no. of etectron shell of these elements
LI =1
NA =1
K= 1

Answer 2

Hey friend here is your answer :

Lithium has the least no. of electron shells.
This is because it occurs higher in the periodic table than sodium and potassium. Its period no. is less than sodium and potassium.

Hope it helps.

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