Ionic Matching

Match the items.
The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Select the letter that best matches the numbered item with the lettered alternatives.

a.  Ca2+
b. Cu2+
c. Cu1+
d. Al3+
e. N3-
f. Co3+
g. Co2+
h. CO32-
i. O2-
j. I

1. calcium

2. aluminum

3. copper I

4. copper II

5. cobalt II

6. cobalt III

7. oxygen

8. nitrogen

9. carbonate

10. iodine



(Answers:  A, D, C, B, G, F, I, E, H, J )