Non-Binary nomenclature

Sodium nitrate
NaNO3
Zinc II sulfite
ZnSO3

Al2SO3

Aluminum sulfite
Sodium chlorate
NaClO3
PbCr2O7

Lead II dichromate

 

In this example, lead has an unusual valence of II instead of the expected valence of IV.  Therefore, you must indicate the change with a roman numeral in the name…

Aluminum acetate
Al(C2H3O2)3
Sodium tetraborate
Na2B4O7

KNO3

Potassium nitrate
NaOH
Sodium hydroxide

FePO4

Iron III phosphate (must have a roman numeral in the name)
Sodium bicarbonate (also called sodium hydrogen carbonate)
NaHCO3
Nickel II cyannide

Ni(CN)2 

 

don’t forget the ( ) around the ;CN;

CuCO3

Copper II carbonate

(must have a roman numeral in the name)

CrPO4

Chromium III phosphate

;

(must have a roman numeral in the name)

Ag2CO3

Silver carbonate;

or;

Silver I carbonate

;

(The valence of Silver is always I so you don’t need a roman numeral in the name this time…)

CaCO3

Calcium carbonate (also known as limestone)
Magnesium chlorate
Mg(ClO3)2

FeCr2O4

Iron II cromate (must have a roman numeral in the name)
Aluminum arsenate
AlAsO4

Ca(NO3)2

Calcium nitrate
HgS

Mercury II sulfide (a binary compound)

(must have a roman numeral in the name)

Nickel II hydroxide
Ni(OH)2
Sodium oxalate
NaC2O4

Mg(HCO3)2

Magnesium bicarbonate

or

Magnesium hydrogen carbonate

Cu(OH)2

Copper II hydroxide

BaSO4

Barium sulfate
HgI

Mercury I iodide

(you need a roman numeral in the name here)

Chromium III bisulfate
Cr(HSO4)3
Ammonium acetate
NH4C2H3O2
Nickel II cyanide

Ni(CN)2

(don’t forget the paranthesis in this formula!!!)

CoSO4

Cobalt II sulfate

(you need a roman numeral in the name here)

Na2SO3

Sodium sulfite
Calcium oxalate
CaC2O4
Cadmium II nitrate
Cd(NO3)2
Ammonium perchlorate
NH4ClO4
Aluminum dichromate
Al2(Cr2O7)3

NiCrO4

Nickel II chromate

(you need a roman numeral in the name here)

Calcium hydroxide

Ca(OH)2

don’t forget the ( ) around the OH

Potassium carbonate
K2CO3

HgHCO3

Mercury I bicarbonate

or

Mercury I hydrogen carbonate

 

(the valence of Mercury is I in this example)

MnSO4

Manganese II sulfate

Nickel III hydroxide

Ni(OH)3

 

remember you need () around the hydroxide!!!

Carbon disulfide  (a binary compound)
CS2

NiNO3

Nickel I nitrate

NH4Cl

ammonium chloride

Ammonium sulfate
(NH4)2SO4

Calcium phosphate

Ca3(PO4)2

KMnO4

Potassium permanganate

Sodium bicarbonate  (baking soda)

NaHCO3

Magnesium sulfate  (epsom salts)

MgSO4
MnSO4
Manganese II sulfate

Ammonium carbonate

(NH4)2CO3
FeCO3
Iron II carbonate
NiBO3
Nickel III borate
Aluminum chlorate
Al(ClO3)3

HgS2O3

Mercury II thiosulfate

 

Must have the roman numeral in the name since Mercury is a transition element of multi valence.

x

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