An intravenous therapy called Ringer's solutions contains calcium and chloride along with other components. What is the charge on calcium in this ionic compound that forms from calcium and chlorine?
A) +1
B) (-1)
C) +2
D) (-2)
E) +3

Question

Quizplus · Accepted Answer

Calcium has an oxidation state of +2 in ionic compounds, and chlorine has an oxidation state of -1. Therefore, the compound formed from calcium and chlorine would be CaCl2, and the charge on calcium would be +2.

An Intravenous Therapy Called Ringer's Solutions Contains Calcium and Chloride