KnowraSodium ionLinked fromLinked fromThe 17 pages that link to Sodium ion, each with the reason it gives.All 17Broader topic 10Related 5Compared with 2Potassium ionCompared with: Na⁺ has the same charge as K⁺ but differs in size and membrane distribution.Calcium ionCompared with: Na⁺ is monovalent, unlike divalent Ca²⁺, and serves different cellular roles.