Negatively charged ions are required to balance the net positive charge from metal ions such as K⁺, Na⁺, and Ca²⁺.Which of the following negatively charged ions is the most abundant outside the cell and which ion most often neutralize (written in parentheses)?

Question

Quizplus · Accepted Answer

The most abundant negatively charged ion outside the cell is Cl-, and it most often neutralizes the net positive charge from Na+ ions, which is the case for the metal ions listed in option D (Na⁺). Thus, option D is the best choice.

Negatively Charged Ions Are Required to Balance the Net Positive