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- why is potassium lighter than sodium
- #S - Block Elements (Alkali and Alkaline Earth Metals)
- #Joint Entrance Examination Main
- #Engineering
- #Chemistry
why is potassium lighter than sodium ?
Answers (1)
why is potassium lighter than sodium ?
On moving down the group, generally there is increase in density. But moving from sodium to potassium, there is increase in charge by 8 units, but atomic radius of potassium increases much due to presence of 3d subshell but in case of sodium, there is no presence of d subshell.
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