Naming Binary Compounds Answer Key
A. Binary Compounds
C. Binary Molecules
Common names
Use of prefixes
1. H2S(g)
hydrogen sulfide
6. BaO
barium oxide
1. PCl5
phosphorus pentachloride
6. NO
nitrogen monoxide
2. HCl(g)
hydrogen chloride
7. NaF
sodium fluoride
2. SiO2
silicon dioxide
7. NO2
nitrogen dioxide
3. AgCl
silver chloride
8. BaI2
barium iodide
3. CCl4
carbon tetrachloride
8. N2O3
dinitrogen trioxide
4. Na2O
sodium oxide
9. HBr(g)
hydrogen bromide
4. Na2O
sodium oxide
9. N2O4
dinitrogen tetroxide
5. NH4I
ammonium iodide
10. CaC2
calcium carbide
5. N2O
dinitrogen monoxide
10. N2O5
dinitrogen pentoxide
B. Divalent Cations
D. Binary Acids
IUPAC names
1. HI(aq)
hydroiodic acid
3. H2S(aq)
hydrosulfuric acid
1. CuCl
copper(I) chloride
5. PbI4
lead(IV) iodide
2. HCl(aq)
hydrochloric acid
4. HF(aq)
hydrofluoric acid
2. CuS
copper(II) sulfide
6. SnO
tin(II) oxide
E. Some Exceptions
3. SnCl2
tin(II) chloride
7. CoCl3
cobalt(III) chloride
1. H2O2
hydrogen peroxide
3. KO2
potassium superoxide
4. HgBr2
mercury(II) bromide
8. CoCl2
cobalt(II) chloride
2. BaO2
barium peroxide
4. K2O
potassium oxide
Trivial names
9. CuCl2
cupric chloride
13. PbCl2
plumbous chloride
10. Cu2O
cuprous oxide
14. SnO2
stannic oxide
11. SnI4
stannic iodide
15. CoCl2
cobaltous chloride
12. Hg2Br2
mercurous bromide
16. CoI3
cobaltic iodide