1. oxyanion nomenclature

2. ate suffix = representative ion

3. B C N O F Si P S Cl As Se Br I

4. B C N O F Si P S Cl As Se Br I

5. B C N O F Si
PO4
SO4 Cl
AsO4
SeO4 Br I

6. BO3
CO3
NO3 O
FO3
SiO3
PO4
SO4
ClO3
AsO4
SeO4
BrO3
IO3

7. BO3
borate
CO3
carbonate
NO3
nitrate O
FO3
fluorate
SiO3
PO4
SO4
ClO3
AsO4
SeO4
BrO3
IO3

8. BO3
borate
CO3
carbonate
NO3
nitrate O
FO3
fluorate
SiO3
silicate
PO4
phosphate
SO4
sulfate
ClO3
chlorate
AsO4
SeO4
BrO3
IO3

9. BO3
borate
CO3
carbonate
NO3
nitrate O
FO3
fluorate
SiO3
silicate
PO4
phosphate
SO4
sulfate
ClO3
chlorate
AsO4
arsenate
SeO4
selenate
BrO3
bromate
IO3

10. BO3
borate
CO3
carbonate
NO3
nitrate O
FO3
fluorate
SiO3
silicate
PO4
phosphate
SO4
sulfate
ClO3
chlorate
AsO4
arsenate
SeO4
selenate
BrO3
bromate
IO3
iodate

11. BO3
borate
CO3
carbonate
NO3
nitrate O
FO31-
fluorate
SiO3
silicate
PO4
phosphate
SO4
sulfate
ClO31-
chlorate
AsO4
arsenate
SeO4
selenate
BrO31-
bromate
IO31-
iodate

12. BO3
borate
CO3
carbonate
NO3
nitrate O
FO31-
fluorate
SiO3
silicate
PO4
phosphate
SO42-
sulfate
ClO31-
chlorate
AsO4
arsenate
SeO42-
selenate
BrO31-
bromate
IO31-
iodate

13. BO3
borate
CO3
carbonate
NO3
nitrate O
FO31-
fluorate
SiO3
silicate
PO43-
phosphate
SO42-
sulfate
ClO31-
chlorate
AsO43-
arsenate
SeO42-
selenate
BrO31-
bromate
IO31-
iodate

14. BO3
borate
CO3
carbonate
NO31-
nitrate O
FO31-
fluorate
SiO3
silicate
PO43-
phosphate
SO42-
sulfate
ClO31-
chlorate
AsO43-
arsenate
SeO42-
selenate
BrO31-
bromate
IO31-
iodate

15. BO3
borate
CO32-
carbonate
NO31-
nitrate O
FO31-
fluorate
SiO32-
silicate
PO43-
phosphate
SO42-
sulfate
ClO31-
chlorate
AsO43-
arsenate
SeO42-
selenate
BrO31-
bromate
IO31-
iodate

16. BO33-
borate
CO32-
carbonate
NO31-
nitrate O
FO31-
fluorate
SiO32-
silicate
PO43-
phosphate
SO42-
sulfate
ClO31-
chlorate
AsO43-
arsenate
SeO42-
selenate
BrO31-
bromate
IO31-
iodate

17. ite (ite = lite) one less oxygen same charge

18. B C N O F Si P S Cl As Se Br I

19. B C N O F Si P S Cl As Se Br I

20. B C N O F Si
PO3
SO3 Cl
AsO3
SeO3 Br I

21. BO2
CO2
NO2 O
FO2
SiO2
PO3
SO3
ClO2
AsO3
SeO3
BrO2
IO2

22. BO2
CO2
NO2 O
FO21-
SiO2
PO3
SO3
ClO21-
AsO3
SeO3
BrO21-
IO21-

23. BO2
CO2
NO2 O
FO21-
SiO2
PO3
SO32-
ClO21-
AsO3
SeO32-
BrO21-
IO21-

24. BO2
CO2
NO2 O
FO21-
SiO2
PO33-
SO32-
ClO21-
AsO33-
SeO32-
BrO21-
IO21-

25. BO2
CO2
NO21- O
FO21-
SiO2
PO33-
SO32-
ClO21-
AsO33-
SeO32-
BrO21-
IO21-

26. BO2
CO22-
NO21- O
FO21-
SiO22-
PO33-
SO32-
ClO21-
AsO33-
SeO32-
BrO21-
IO21-

27. BO23-
CO22-
NO21- O
FO21-
SiO22-
PO33-
SO32-
ClO21-
AsO33-
SeO32-
BrO21-
IO21-

28. BO23-
borite
CO22-
carbonite
NO21-
nitrite O
FO21-
fluorite
SiO22-
PO33-
SO32-
ClO21-
AsO33-
SeO32-
BrO21-
IO21-

29. BO23-
borite
CO22-
carbonite
NO21-
nitrite O
FO21-
fluorite
SiO22-
silicite
PO33-
phosphite
SO32-
sulfite
ClO21-
chlorite
AsO33-
SeO32-
BrO21-
IO21-

30. BO23-
borite
CO22-
carbonite
NO21-
nitrite O
FO21-
fluorite
SiO22-
silicite
PO33-
phosphite
SO32-
sulfite
ClO21-
chlorite
AsO33-
arsenite
SeO32-
selenite
BrO21-
bromite
IO21-

31. BO23-
borite
CO22-
carbonite
NO21-
nitrite O
FO21-
fluorite
SiO22-
silicite
PO33-
phosphite
SO32-
sulfite
ClO21-
chlorite
AsO33-
arsenite
SeO32-
selenite
BrO21-
bromite
IO21-
iodite

32. “per” prefix in front of ion with “ate” suffix = one more oxygen same charge

33. BO43- perborate CO42- NO41- pernitrate O FO41- SiO42- persilicate
percarbonate
NO41-
pernitrate O
FO41-
perfluorate
SiO42-
persilicate
PO53-
perphosphate
SO52-
persulfate
ClO41-
perchlorate
AsO53-
perarsenate
SeO52-
perselenate
BrO41-
perbromate
IO41-
periodate

34. “hypo” prefix in front of ion with “ite” suffix = one less oxygen same charge

35. BO3- CO2- NO1- O FO1- SiO2- PO23- SO22- ClO1- AsO23- SeO22- BrO1- IO1-
hypoborite
CO2-
hypocarbonite
NO1-
hyponitrite O
FO1-
hypofluorite
SiO2-
hyposilicite
PO23-
hypophosphite
SO22-
hyposulfite
ClO1-
hypochlorite
AsO23-
hypoarsenite
SeO22-
hyposelenite
BrO1-
hypobromite
IO1-
hypoiodite

36. hydrogen added to an ion changes the charge by +1 Think proton.

37. Add hydrogen to an ion
Example:
carbonate: CO32-
hydrogen carbonate: HCO3-
(old name = bicarbonate)

38. What is hydrogen phosphate?
HPO42-

39. What is HSO2- ?
hydrogen hyposulfite

40. lithium nitrate
Cation:
Li+
Anion:
NO3-
Compound: LiNO3

41. calcium hydroxide
Cation:
Ca2+
Anion:
OH-
Compound: Ca(OH)2

42. ammonium sulfate
Cation:
NH4+
Anion:
SO42-
Compound: (NH4)2SO4

43. Try these:
sodium carbonate
barium phosphate
magnesium sulfate

44. Answers sodium carbonate = Na2CO3 barium phosphate = Ba3(PO4)2
magnesium sulfate = MgSO4

45. Ca(NO3)2
Cation: calcium
Anion: nitrate
Compound: calcium nitrate

46. FeCrO4 Cation: iron(???) Total neg/cations = 2/1 So cation: iron(II)
Anion: chromate
Compound: iron(II) chromate

47. Try these:
KClO3
NH4OH
Sr3(PO4)2
Sn(ClO4)2

48. Answers: KClO3 = potassium chlorate NH4OH = ammonium hydroxide
Sr3(PO4)2 = strontium phosphate
Sn(ClO4)2 = tin(II) perchlorate

49. Homework
Page 116, #6
Page 120, #33
Conductivity lab report