Among the s-block elements, which cation is most abundant in the intracellular fluid (inside the cel — s Block Elements Chemistry Question

💡 Solution & Explanation

Potassium ($K^+$) is primarily concentrated within the cells (intracellular fluid), whereas Sodium ($Na^+$) is the primary cation in the extracellular fluid, such as blood plasma and interstitial fluid. This gradient is actively maintained.