5 Written Questions

1. SO4⁻²
2. C2H3O2⁻¹
3. CN⁻¹
4. OH⁻¹
5. NO2⁻¹

5 Multiple Choice Questions

1. NO3⁻¹
   1. sulfate
   2. nitrite
   3. acetate
   4. nitrate
2. PO4⁻³
   1. nitrate
   2. phosphate
   3. acetate
   4. chromate
3. CO3⁻¹
   1. acetate
   2. carbonate
   3. bicarbonate
   4. chromate
4. CrO4⁻²
   1. acetate
   2. dichromate
   3. chromate
   4. carbonate
5. Cr2O7⁻²
   1. carbonate
   2. dichromate
   3. bicarbonate
   4. chromate

5 True/False Questions

1. ammonium → NH4⁺¹

   True        False

2. permanganate → ClO4⁻¹

   True        False

3. perchlorate → ClO4⁻¹

   True        False

4. bicarbonate → HCO3⁻¹

   True        False

5. sulfite → SO4⁻²

   True        False