Binary compounds (two types of elements: not two atoms only)
Type 2 Ionic compounds
Type 3 Molecules
Type 1 Ionic compounds
main group or
representative
metals
NaBr
Na2O
CaBr2
CaO
+
non
metals
examples
sodium bromide
sodium oxide
calcium bromide
calcium oxide
parts
Na+ sodium ion
Ca2+ calcium ion
Br - bromide ion
O2- oxide ion
compound format
opposites attract
net charge = 0
[1+] [1-]
[1+]
[1+]
[2-]
[2+]
[1-]
[1-]
[2+]
[2-]
Type 1 Ionic compounds with
polyatomic anions
main group
or
representative
metals
+
polyatomic
anions
transition
metals
+
non
metals
examples
copper (I) bromide
copper (II) bromide
copper (I) oxide
copper (II) oxide
CuBr
CuBr2
Cu2O
CuO
parts
Cu+ copper (I) ion
Cu2+ copper (II) ion
Br - bromide ion
O2- oxide ion
link between cation and name
charge of roman
cation not numeral
anion
+1 (I))
+2 (II)
+3 (III)
+4 (IV)
+5 (V)
compound format
opposites attract
net charge = 0
[1+] [1-]
[2+]
[1-]
[1-]
[1+]
[1+]
[2-]
[2+]
[2-]
non metals
NO
NO2
N2 O
N2 O3
N2 O5
+
non metals
examples
nitrogen monoxide
nitrogen dioxide
dinitrogen monoxide
dinitrogen trioxide
dinitrogen pentoxide
parts
N nitrogen atom
O oxygen atom
link between formula and name
subscript
prefix
1
not for first
element
1
mono
2
di
3
tri
4
tetra
5
penta
Molecule format depends on
valence electrons and the octet
rule most of the time.
More complicated compounds (more than two types of elements)
Type 2 Ionic compounds with
Organic Molecules
polyatomic anions
transition
metals
+
polyatomic
anions
Binary Acid Molecules
H atoms
HF
HCl
HBr
HI
H2 S
H3 N
H3 P
H+
FCl Br IS 2N 3P 3-
+
non metals
examples
hydrofluoric acid
hydrochloric acid
hydrobromic acid
hydroiodic acid
hydrosulfuric acid
hydronitric acid
hydrophosphoric acid
parts
hydrogen ion
fluoride ion
chloride ion
bromide ion
iodide ion
sulfide ion
nitride ion
phosphide ion
 Acids are molecules that have
ionic compound characteristics.
 Acids look like they are
composed of ions, but electron
pairs are shared.
 However, when they do
separate, they form ions.
molecule format
opposites attract
net charge = 0
[1+] [1-]
[1+]
[1+]
[2-]
[1+]
[1+]
[1+]
[3-]
Oxy Acid Molecules
H
atoms
+
polyatomic
anions
[1+] [1-]
[1+] [2-]
[1+]
[1+] [3-]
[1+]
[1+]
[2+] [1-]
[1-]
[2+] [2-]
[2+] [3-]
[2+] [3-]
[2+]
[3+] [1-]
[1-]
[1-]
[3+] [2-]
[3+] [2-]
[2-]
[3+] [3-]
[4+] [1-]
[1-]
[1-]
[1-]
[4+] [2-]
[2-]
[4+] [3-]
[4+] [3-]
[4+] [3-]
[3-]
[1+] [1-]
[1+] [2-]
[1+]
[1+] [3-]
[1+]
[1+]
[2+] [1-]
[1-]
[2+] [2-]
[2+] [3-]
[2+] [3-]
[2+]
[3+] [1-]
[1-]
[1-]
[3+] [2-]
[3+] [2-]
[2-]
[3+] [3-]
[4+] [1-]
[1-]
[1-]
[1-]
[4+] [2-]
[2-]
[4+] [3-]
[4+] [3-]
[4+] [3-]
[3-]
[1+] [1-]
[1+] [2-]
[1+]
[1+] [3-]
[1+]
[1+]
[2+] [1-]
[1-]
[2+] [2-]
[2+] [3-]
[2+] [3-]
[2+]
[3+] [1-]
[1-]
[1-]
[3+] [2-]
[3+] [2-]
[2-]
[3+] [3-]
[4+] [1-]
[1-]
[1-]
[1-]
[4+] [2-]
[2-]
[4+] [3-]
[4+] [3-]
[4+] [3-]
[3-]
1-
1+
2+
3+
1+
2-
1-
1+
1-
2+
1-
1-
3+
1-
1-
2-
2+
2-
3-
1+
2-
2-
3+
3+
2-
14+
1-
4+
1-
2-
4+
2-
1-
1+
3-
1+
1+
3-
2+
2+
3-
3+
2+
3-
3-
4+
4+
3-
3-
4+
3-
-1
-2
-3
+1
1(+1) + 1(-1) = 0
2(+1) + 1(-2) = 0
3(+1) + 1(-3) = 0
+2
1(+2) + 2(-1) = 0
1(+2) + 1(-2) = 0
3(+2) + 2(-3) = 0
+3
1(+3) + 3(-1) = 0
2(+3) + 3(-2) = 0
1(+3) + 1(-3) = 0
+4
1(+4) + 4(-1) = 0
1(+4) + 2(-2) = 0
3(+4) + 4(-3) = 0
Br-
Cl-
ClO2-_
ClO3-
HCO3-__
O2-
S2-
CO32-_
N3-
PO43-_
Na+
NaBr_
NaCl_
NaClO2__
NaClO3__
NaHCO3__
Na2 O__
Na2 S__
Na2 CO3__
Na3 N__
Na3 PO4__
Ca2+
CaBr2
CaCl2
Ca(ClO2)2
Ca(ClO3)2
Ca(HCO3)2
CaO__
CaS__
CaCO3__
Ca3 N2_
Ca3(PO4)2
Al3+
AlBr3
AlCl3
Al(ClO2)3
Al(ClO3)3
Al(HCO3)3
Al2 O3_
Al2S3_
Al2(CO3)3
AlN__
AlPO4__
Br -
Cl-
ClO2-_
ClO3-_
HCO3-_
O2-
S2-
CO32-
N3-
PO43-
Cu+
CuBr_
CuCl_
CuClO2__
CuClO3__
CuHCO3__
Cu2O__
Cu2S__
Cu2CO3__
Cu3N__
Cu3PO4__
Cu2+
CuBr2
CuCl2
Cu(ClO2)2
Cu(ClO3)2
Cu(HCO3)2
CuO__
CuS__
CuCO3__
Cu3N2_
Cu3(PO4)2
Ti3+
TiBr3
TiCl3
Ti(ClO2)3
Ti(ClO3)3
Ti(HCO3)3
Ti2O3_
Ti2S3_
Ti2(CO3)3
TiN__
TiPO4__
Ti4+
TiBr4
TiCl4
Ti(ClO2)4
Ti(ClO3)4
Ti(HCO3)4
TiO2_
TiS2_
Ti(CO3)2
Ti3N4_
Ti3(PO4)4
sodium ion
calcium ion
aluminum
ion
copper (I)
ion
copper (II)
ion
titanium (III)
ion
titanium (IV)
ion
bromide ion
chloride ion
chlorite ion
chlorate ion
sodium
bromide
calcium
bromide
aluminum
bromide
sodium
chloride
calcium
chloride
aluminum
chloride
sodium
chlorite
calcium
chlorite
aluminum
chlorite
sodium
chlorate
calcium
chlorate
aluminum
chlorate
bromide ion
chloride ion
chlorite ion
chlorate ion
copper (I)
bromide
copper (II)
bromide
titanium (III)
bromide
titanium (IV)
bromide
copper (I)
chloride
copper (II)
chloride
titanium (III)
chloride
titanium (IV)
chloride
copper (I)
chlorite
copper (II)
chlorite
titanium (III)
chlorite
titanium (IV)
chlorite
copper (I)
chlorate
copper (II)
chlorate
titanium (III)
chlorate
titanium (IV)
chlorate
bicarbonate
ion
sodium
bicarbonate
calcium
bicarbonate
aluminum
bicarbonate
oxide ion
sulfide ion
carbonate ion
nitride ion
phosphate ion
sodium
oxide
calcium
oxide
aluminum
oxide
sodium
sulfide
calcium
sulfide
aluminum
sulfide
sodium
carbonate
calcium
carbonate
aluminum
carbonate
sodium
nitride
calcium
nitride
aluminum
nitride
sodium
phosphate
calcium
phosphate
aluminum
phosphate
bicarbonate
ion
copper (I)
bicarbonate
copper (II)
bicarbonate
titanium (III)
bicarbonate
titanium (IV)
bicarbonate
oxide ion
sulfide ion
carbonate ion
nitride ion
phosphate ion
copper (I)
oxide
copper (II)
oxide
titanium (III)
oxide
titanium (IV)
oxide
copper (I)
sulfide
copper (II)
sulfide
titanium (III)
sulfide
titanium (IV)
sulfide
copper (I)
carbonate
copper (II)
carbonate
titanium (III)
carbonate
titanium (IV)
carbonate
copper (I)
nitride
copper (II)
nitride
titanium (III)
nitride
titanium (IV)
nitride
copper (I)
phosphate
copper (II)
phosphate
titanium (III)
phosphate
titanium (IV)
phosphate