Naming
Compounds
By Lexie Zovko, Andrew
Wang, Sarah Houy, and
Zach Lesutis
Compounds
Is
there a metal?
Yes! The compound is
ionic
No! The compound is
Covalent
Periodic table
Yes! The compound is ionic
Is
there a polyatomic
ion?
See
No there is not
a polyatomic
ion
list of polyatomic
ions
Yes there is a
polyatomic
ion
Polyatomic ions
No there is not a polyatomic
ion
What
is the first
element?
Continue:
Write the name of the first element
Yes there is a polyatomic ion
Where
is the
polyatomic ion?
Beginning
End
Write the name of the first
element
Is
Yes it is a
transition
metal
the first element a
transition metal?
See
No it is not a
transition metal
periodic table.
They are listed in the
d-block.
Periodic table
Beginning
Write
the name of the
polyatomic ion
normally. Then name
the other element after.
The other element
should end in -ide
Continue:
Name the element
End
Write
the name of the
first element without
changing the name.
Then name the
polyatomic ion after the
first element.
Continue:
Name the element
Name the element!
Examples
Al(C2H3O2)3
Na3PO4
Li3PO4
Al(NO2)3
Fe3(PO4)2
NH4Cl
Na2SO4
KMnO4
KSCN
NaNO3
FeSO4
Ni(OH)3
Ba(NO3)2
Na3[Fe(CN)6]
NH4C2H3O2
Ca[Fe(CN)4]
Mg(OH)2
Cs(NO2)
Yes it is a transition metal
List
the name of the
element and the
charge used in roman
numerals in Periodic table
parenthesis. Continue:
Transition Metal
Examples
What is the name of
the second element
Transition Metal Examples
SnO
TiO2
FeS
Cu2S
SnO2
Fe2S3
PbS
Cu2SO4
PbO
PbO2
No it is not a transition metal
List
the name of the
element used.
Continue:
What is the name of the second
element
What is the name of the
second element
List
the name of the
element used, but
change the ending to
–ide.
Continue:
Is
H2O mentioned in
the formula?
Yes H2O is mentioned
No H2O is not mentioned
Yes H2O is mentioned
Add
the proper prefix
followed by “hydrate”
(See prefix table)
Prefix Chart
Continue: Name the
element!
No H2O is not mentioned
Leave
the name as it
is
Continue:
Name the Element!
Name the Element!
KI
Ca3P2
MgH2
ZnO
H2S
Li3N
MgS
AgCl
Examples:
Name the element!
Examples
CoCl2• 6 H2O
CoCl2 • 2 H2O
Na2S2O3 •5 H2O
MgSO4 •7 H2O
No! The compound is
Covalent
Is
this electronegativity
difference less than .3?
(See Periodic Table)
Periodic table
Yes the
compound is
pure
No! The
compound is
polar
Yes! The compound is pure
Continue:
No! The compound is polar
Continue:
What
are the
elements
Continue:
First element
First element
Find
the prefix depending
on the number of each
atom used (See prefix
table).
Write the prefix in front of
the element used
Prefix Chart
Continue:
Second element
Second element
Find
the prefix depending
on the number of each
atom used (See prefix
table)
Write the prefix in front of
the element, ending the
element in –ide.
Prefix Chart
Continue:
Name the element!
Name the element!
Examples:
NO2
CCl4
H2O
XeF4
SCl6
NH3
BF3
N2O4
SiO2
SiBr4
P4O10
N2O
NO
PBr5
SF6
P4O10
tetraphosphorus
decaoxide
CoCl2 • 2 H2O
cobalt
(II) chloride
dihydrate
H2O
dihydrogen
aka
water
monoxide
SnO
tin
(II) oxide
Li3PO4
lithium
phosphate
Cs(NO2)
cesium
nitrite
Na3[Fe(CN)6]
sodium
ferricyanide
KMnO4
potassium
permanganate
TiO2
titanium
(IV) oxide
aka titanium dioxide
Al(C2H3O2)3
aluminum
acetate
FeS
iron
(II) sulfide
aka ferrous sulfide
Ca3N2
calcium
nitride
NO
nitrogen
monoxide
aka nitric oxide
N2O
dinitrogen
monoxide
aka nitrous oxide
SiO2
silicon
dioxide
KI
potassium
iodide
Na2SO4
sodium
sulfate
NH3
nitrogen
trihydride
aka ammonia
Cu2S
copper
(I) sulfide
Mg(OH)2
magnesium
hydroxide
Na2S2O3 •5 H2O
sodium
thiosulfate
pentahydrate
SnO2
tin
(IV) oxide
PBr5
phosphorus
pentabromide
Ba(NO3)2
barium
nitrate
SF6
sulfur
hexafluoride
Fe2S3
iron
(III) sulfide
aka ferric sulfide
NH4Cl
ammonium
chloride
N2O4
Dinitrogen
tetroxide
SCl6
Sulfur
hexachloride
MnO2
Manganese
(IV) Oxide
MgH2
Magnesium
Hydride
CCl4
Carbon
tetrachloride
PbS
Lead
(II) Sulfide
PbO2
Lead
(IV) Oxide
H2S
Hydrogen
Sulfide
Na3PO4
Sodium
Phosphate
SiBr4
Silicon
TetraBromide
Li3N
Lithium
Nitride
BF3
Boron
Trifluoride
MgSO4 •7 H2O
Magnesium
sulfate
heptagydrate
Ca[Fe(CN)4]
Calcium
ferrocyanide
NH4C2H3O2
Ammonium
Acetate
Fe3(PO4)2
Iron
Phosphate
Ni(OH)3
Nickel
Hydroxide
CoCl2• 6 H2O
Cobalt
(II) Chloride
hexahydrate
NaNO3
Sodium
Nitrate
Cu2SO4
Copper
(I) Sulfate
PbO
Lead
(II) Oxide
FeSO4
Iron
Sulfate
XeF4
Xenon
tetrafluoride
Ca3P2
Calcium
Phosphide
Al(NO2)3
Aluminum
nitrite
ZnO
Zinc
Oxide
MgS
Magnesium
Sulfide
NO2
Nitrogen
dioxide
AgCl
Silver
Chloride
KSCN
Potassium
Thiocyanate
Prefix Chart
# of atoms
Prefix
1 (only use on second
element in compound)
mono
2
Di
3
Tri
4
Tetra
5
Penta
6
Hexa
7
Hepta
8
Octa
9
Nona
10
deca
Back To:
Yes H2O is
mentioned
Periodic table
Back To:
Write the name of the first
element
Back To:
Yes it is a
transition
metal
Back to:
Compounds
Back to:
No! The
compound is
Covalent
Polyatomic ions
Back to:
Yes! The compound
is ionic
Back To:
First element
Back To:
Second element