oxyanion nomenclature

ate

suffix = representative ion

B C N O F

Si P S Cl

As Se Br

I

B C N O F

Si P S Cl

As Se Br

I

B C N O F

Si PO4 SO4 Cl

AsO4 SeO4 Br

I

BO3 CO3 NO3 O FO3

SiO3 PO4 SO4 ClO3

AsO4 SeO4 BrO3

IO3

BO3

borate

CO3

carbonate

NO3

nitrate

O FO3

fluorate

SiO3 PO4 SO4 ClO3

AsO4 SeO4 BrO3

IO3

BO3

borate

CO3

carbonate

NO3

nitrate

O FO3

fluorate

SiO3

silicate

PO4

phosphate

SO4

sulfate

ClO3

chlorate

AsO4 SeO4 BrO3

IO3

BO3

borate

CO3

carbonate

NO3

nitrate

O FO3

fluorate

SiO3

silicate

PO4

phosphate

SO4

sulfate

ClO3

chlorate

AsO4

arsenate

SeO4

selenate

BrO3

bromate

IO3

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

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

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

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

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

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

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

ite

(ite = lite)one less oxygen

same charge

B C N O F

Si P S Cl

As Se Br

I

B C N O F

Si P S Cl

As Se Br

I

B C N O F

Si PO3 SO3 Cl

AsO3 SeO3 Br

I

BO2 CO2 NO2 O FO2

SiO2 PO3 SO3 ClO2

AsO3 SeO3 BrO2

IO2

BO2 CO2 NO2 O FO21-

SiO2 PO3 SO3 ClO21-

AsO3 SeO3 BrO21-

IO21-

BO2 CO2 NO2 O FO21-

SiO2 PO3 SO32- ClO2

1-

AsO3 SeO32- BrO2

1-

IO21-

BO2 CO2 NO2 O FO21-

SiO2 PO33- SO3

2- ClO21-

AsO33- SeO3

2- BrO21-

IO21-

BO2 CO2 NO21- O FO2

1-

SiO2 PO33- SO3

2- ClO21-

AsO33- SeO3

2- BrO21-

IO21-

BO2 CO22- NO2

1- O FO21-

SiO22- PO3

3- SO32- ClO2

1-

AsO33- SeO3

2- BrO21-

IO21-

BO23- CO2

2- NO21- O FO2

1-

SiO22- PO3

3- SO32- ClO2

1-

AsO33- SeO3

2- BrO21-

IO21-

BO23-

borite

CO22-

carbonite

NO21-

nitrite

O FO21-

fluorite

SiO22- PO3

3- SO32- ClO2

1-

AsO33- SeO3

2- BrO21-

IO21-

BO23-

borite

CO22-

carbonite

NO21-

nitrite

O FO21-

fluorite

SiO22-

silicite

PO33-

phosphite

SO32-

sulfite

ClO21-

chlorite

AsO33- SeO3

2- BrO21-

IO21-

BO23-

borite

CO22-

carbonite

NO21-

nitrite

O FO21-

fluorite

SiO22-

silicite

PO33-

phosphite

SO32-

sulfite

ClO21-

chlorite

AsO33-

arsenite

SeO32-

selenite

BrO21-

bromite

IO21-

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

“per” prefixin front of ion with

“ate” suffix=

one more oxygensame charge

BO43-

perborate

CO42-

percarbonate

NO41-

pernitrate

O FO41-

perfluorate

SiO42-

persilicate

PO53-

perphosphate

SO52-

persulfate

ClO41-

perchlorate

AsO53-

perarsenate

SeO52-

perselenate

BrO41-

perbromate

IO41-

periodate

“hypo” prefixin front of ion with

“ite” suffix=

one less oxygensame charge

BO3-

hypoborite

CO2-

hypocarbonite

NO1-

hyponitrite

O FO1-

hypofluorite

SiO2-

hyposilicite

PO23-

hypophosphite

SO22-

hyposulfite

ClO1-

hypochlorite

AsO23-

hypoarsenite

SeO22-

hyposelenite

BrO1-

hypobromite

IO1-

hypoiodite

hydrogen added to an ion changes the

charge by +1

Think proton.

Add hydrogen to an ion

Example:

carbonate: CO32-

hydrogen carbonate: HCO3-

(old name = bicarbonate)

What ishydrogen phosphate?

HPO42-

What isHSO2

- ?

hydrogen hyposulfite

lithium nitrateCation:

Li+

Anion:

NO3-

Compound: LiNO3

calcium hydroxideCation:

Ca2+

Anion:OH-

Compound: Ca(OH)2

ammonium sulfateCation:

NH4+

Anion:

SO42-

Compound: (NH4)2SO4

Try these:• sodium carbonate

• barium phosphate

• magnesium sulfate

Answers• sodium carbonate = Na2CO3

• barium phosphate =

Ba3(PO4)2

• magnesium sulfate = MgSO4

Ca(NO3)2

• Cation: calcium

• Anion: nitrate

• Compound: calcium nitrate

FeCrO4

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

iron(II) chromate

Try these:• KClO3

• NH4OH

• Sr3(PO4)2

• Sn(ClO4)2

Answers:• KClO3 = potassium chlorate

• NH4OH = ammonium hydroxide

• Sr3(PO4)2 = strontium phosphate

• Sn(ClO4)2 = tin(II) perchlorate

Homework• Page 116, #6

• Page 120, #33

• Conductivity lab report