The document discusses the nomenclature of inorganic compounds, focusing on binary compounds comprised of metals and nonmetals, including fixed and variable oxidation states. It outlines the classical and stock systems for naming these compounds, providing examples such as ferrous and ferric oxides, as well as the use of Greek prefixes in naming nonmetal compounds. Additionally, it lists various chemical compounds with their corresponding formulas and naming conventions.

2. Hydrochloric acid
(HCl)
Sodium bicarbonate
( NaHCO3 )
Potassium iodide
(KI)
Nomenclature of Inorganic Compounds
No ambiguity

3. Binary Compounds
2
metal nonmetal
+
NaCl
sodium
chlorine +ide
sodium chloride

4. Binary Compounds
metal nonmetal
+
MgBr2 = magnesium bromide
Al2O3 = aluminum oxide
Fixed
oxidation no.
IA IIA Al+3
Zn+2
Ag+1

5. Binary Compounds
metal + nonmetal
variable
oxidation no.
FeO
Fe2O3
+2
+3
oxidation no.
Fe O
Fe O
+2
-2
+3 -2
FeO
2 2
Fe O
2 3
FeO
FeS
-2
+2

6. Binary Compounds
metal + nonmetal
variable
oxidation no.
FeO
Fe2O3
+2
+3
oxidation no.
Classical system
Stock system/
Roman numeral
ferrum + ous
(ous)
(ic)
ic
Ferrous oxide
Ferric oxide
=
=
Iron(II) oxide
Iron(III) oxide

8. Cu2O
Classical system
Stock system/
Roman numeral
cuprous oxide copper (I) oxide
FeCl3 Ferric chloride Iron(III) chloride

9. Ferric bromide
Fe
-1
+3
Br
FeBr3
Tin (II) fluoride
Sn
+2
F
-1
SnF2

10. Binary Compounds
Nonmetal Nonmetal
+
CO
CO2
Greek prefix Number Greek prefix Number
mono 1 hexa 6
di 2 hepta 7
tri 3 octa 8
tetra 4 nona 9
penta 5 deca 10
=
=
Carbon
mono + oxide monoxide
Carbon oxide
di

11. N2O3
Nonmetal Nonmetal
+
Greek prefix Number Greek prefix Number
mono 1 hexa 6
di 2 hepta 7
tri 3 octa 8
tetra 4 nona 9
penta 5 deca 10
PCl5
=
=
dinitrogen trioxide
phosphorus pentachloride

12. dinitrogen trioxide
N
2
2 O
3
3
N O
2 3
diphosphorus pentoxide
PO
2 5
Greek prefix Number Greek prefix Number
mono 1 hexa 6
di 2 hepta 7
tri 3 octa 8
tetra 4 nona 9
penta 5 deca 10

13. AlBr3
MgCl2
FeCl2
=
=
=
Aluminum bromide
Magnesium chloride
Ferrous chloride = Iron (II) chloride
P2S3 = Diphosphorus trisulfide
Magnesium sulfide = MgS
Carbon tetrabromide = CBr4
Stannous fluoride = SnF2

14. metal
nonmetal
m
e
t
a
l
l
o
i
d