Question 8

(Multiple Choice)

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)?


A)Cl (Ca2+)
B)PO43 (K+)
C)PO43 (Ca2+)
D)Cl (Na+)

Answer