Name
Diatomic Compounds : From Names to Formulas
Ions
(write NA if a covalent
compound)
Cation
Anion
Zinc Sulfide
Zn2+
S2-
ZnS
Aluminum Nitride
Al3+
N3-
AlN
Iron (III) Iodide
Fe3+
I-
FeI3
Cesium Bromide
Cs+
Br-
CsBr
Iron(III) Sulfide
Fe3+
S2-
Fe2S3
Dihydrogen monoxide
H2O
NA
Potassium Chloride
K+
Cl-
KCl
Calcium Oxide
Ca2+
O2-
CaO
Mercury (II) Iodide
Hg2+
I-
HgI2
Diphosphorus Pentoxide
Phosphorus Pentachloride
Dinitrogen Tetroxide
Lead (IV) Sulfide
Diiodine Pentoxide
Vanadium (V) Phosphide
Silicon Dioxide
Lead (IV) Nitride
Triselenium Tetranitride
Pb4+
S2-
V5+
P3-
N3- Pb3N4
Se3N4
NA
Re3+
Hg2+
Pd4+
NA
V3P5
SiO2
NA
Pb4+
PbS2
I2O5
NA
Rhenium (III) Arsenide
Diphosphorus Pentasulfide
N2O4
NA
V3+
Palladium (IV) Fluoride
PCl5
NA
Vanadium (III) Nitride
Mercury(II) Nitride
P2O5
NA
N3-
VN
ReAs
As3N3- Hg3N2
F-
PdF4
P2S5
Formula
Compounds : From Formulas to Names
(write NA if a covalent compound)
Ions
Cation
Anion
Formula
NCl3
GaF3
BrF5
N2O3
FeP
Pb3N4
SeO2
CuS
Fe2O3
MgS
MnO2
NO2
ZnI2
Hg2I2
PbO
HgO
Ni2O3
CuO
FeBr3
Cu2O
Mo3P2
KBr
NaBr
NA
Ga3+
Name
Nitrogen Trichloride
F-
NA
Gallium (III) Fluoride
Bromine Pentafluoride
NA
Dinitrogen Trioxide
Fe3+
P3- Iron (III) Phosphide
Pb4+
N3- Lead (IV) Nitride
NA
Selenium Dioxide
Cu2+
S2-
Fe3+
O2- Iron (III) Oxide
Mg2+
S2-
4+
2-
Mn
O
Copper (II) Sulfide
Magnesium Sulfide
Manganese (IV) Oxide
NA
Nitrogen Dioxide
Zn2+
I- Zinc Iodide
Hg22+
I- Mercury (I) Iodide
Pb2+
O2- Lead (II) Oxide
Hg2+
O2- Mercury (II) Oxide
Ni3+
O2-
Cu2+
O2- Copper (II) Oxide
Fe3+
Br- Iron (III) Bromide
Cu+
O2- Copper (I) Oxide
Mo2+
P3-
K+
Br-
Na+
Br-
Nickel (III) Oxide
Molybdenum (II) Phosphide
Potassium Bromide
Sodium Bromide
Name
Polyatomic Compounds: From Names to Formulas
Ions
Cation
Anion
Zinc Sulfate
Zn2+
SO42-
ZnSO4
Aluminum Nitrate
Al3+
NO3-
Al(NO3)3
Fe3+
CO32-
Iron (III) Carbonate
Cesium Acetate
Tin(IV) Dichromate
Iron(II) Sulfite
Cs
+
Aluminum Hydrogen sulfate
Potassium Nitrite
Lead (IV) Hydroxide
Copper(II) Hypochlorite
Mercury(II) Permanganate
Magnesium Hydroxide
Sodium Cyanide
Potassium Dichromate
Ammonium Phosphate
Copper(I) Carbonate
Iron(III) Acetate
Lithium Dihydrogen Phosphate
Iron (II) Nitrite
Chromium (VI) Sulfite
Potassium Chromate
Manganese (II) Phosphate
Gold (III) Acetate
CH3COO
Cr2O72-
Fe2+
SO32-
K+
NO2-
Pb4+
OH-
Cu
CsCH3COO or CsCH3CO2
Sn(Cr2O7)2
FeSO3
HSO4
2+
-
-
Al
Al(HSO4)3
KNO2
Pb(OH)4
-
ClO
Cu(ClO)2
Hg2+
MnO4-
Mg2+
OH-
Na+
CN-
K+
Cr2O72-
Hg(MnO4)2
Mg(OH)2
NaCN
K2Cr2O7
NH4+
+
Sodium Sulfate
Fe2(CO3)3
Sn4+
3+
Formula
PO43-
Na
SO4
Cu+
CO32-
Na2SO4
Fe3+
CH3COO-
Li+
H2PO4-
Fe2+
NO2-
Cr6+
SO32-
K+
Mn
Au3+
Cu2CO3
Fe(CH3COO)3
LiH2PO4
Fe(NO2)2
CrO422+
(NH4)3PO4
2-
Cr(SO3)3
K2CrO4
3-
PO4
CH3COO-
Mn3(PO4)2
Au(CH3COO)3
Cu+
Copper (I) Dichromate
Cr2O72-
Cu2Cr2O7
Polyatomic Compounds : From Formulas to Names
Formula
Cation
Na
Anion
OH-
K+
O2-
Cu2+
CN-
Na+
NO2-
+
NaOH
K2O
Cu(CN)2
NaNO2
H3PO4
Pb3(PO4)4
NaHSO4
(Cu)3PO4
Ag2CO3
HNO3
Pb(CN)4
(NH4)2CO3
Pb3(PO4)4
Fe2(Cr2O7)3
Co(CH3COO)2
Sn(SO3)2
H2SO4
Pb(OH)4
Mg(CH3COO)2
Cu(NO3)2
Ba(ClO)2
Potassium Oxide
Copper (II) Cyanide
Sodium Nitrite
Phosphoric Acid
Pb4+
PO43-
Na+
HSO4-
Cu+
PO43-
Ag+
CO32-
Lead (IV) Phosphate
Sodium Hydrogen Sulfate
Copper (I) Phosphate
Silver Carbonate
NA
Nitric Acid
Pb4+
CN-
NH4+
Lead (IV) Cyanide
CO32-
Ammonium Carbonate
Pb4+
PO43-
Lead (IV) Phosphate
Fe3+
Cr2O72-
Iron (III) Dichromate
Co2+
CH3COO-
Cobalt (II) Acetate
Sn4+
SO32-
Tin (IV) Sulfite
NA
Sulfuric Acid
Pb4+
OH-
Mg2+
Lead (IV) Hydroxide
CH3COO-
Magnesium Acetate
-
Na
HSO4
Cu2+
NO3-
Ba2+
ClO-
+
NH4H2PO4
Sodium Hydroxide
NA
+
NaHSO4
Name
Ions
NH4
Sodium Hydrogen Sulfate
Copper (II) Nitrate
Barium Hypochlorite
H2PO4
-
Ammonium Dihydrogen Phosphate
Name
Formula
HBr
Hydrobromic acid
CH3COOH
Acetic Acid
HI
Hydroiodic Acid
HClO4
Perchloric Acid
H3PO4
Phosphoric Acid
H2SO3
Sulfurous Acid
HBrO
Hypobromous Acid
HNO2
Nitrous Acid
H2S
Hydrosulfuric Acid
H2SO4
Sulfuric Acid
HNO3
Nitric Acid
Formula
Name
Hydrochloric Acid
HCl
Chloric Acid
HClO3
Nitric Acid
HNO3
Phosphoric Acid
H3PO4
Hypochlorous Acid
HClO
Hydrofluoric Acid
HF
Acetic Acid
CH3COOH
Sulfuric Acid
H2SO4
Sulfurous Acid
H2SO3
Perbromic Acid
HBrO4