Iupac Nomenclature Of Inorganic Compounds Chemical Formula Worksheet
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7IUPAC NOMENCLATURE OF INORGANIC COMPOUNDS
Chart 1
Binary compounds
Polyatomic compounds
Acids
+
(many elements present)
(that donate H
)
(only two elements)
Binary ionic
Binary molecular or binary covalent
Only ionic compounds are to
These can be binary
(two nonmetals)
be studied here. Cation or
or polyatomic, but
(metal ion with nonmetal ion )
anion or both could be one of
are classified based
Remember the total charge of ionic compound
the many listed on
chart 4.
on if they contain
is zero.
oxygen or not. Refer
to
chart 3
for the
Metal ion has a
Metal ion with variable
Remember there is no charge on the nonmetals in
rules for acids
fixed charge
charges
molecular compounds
Type 4
Type 3
Type 1
Type 2
RULE:
RULE:
RULE:
RULE:
Name of the metal
Name of the metal
First element’s prefix followed by
Name of the polyatomic ions
followed by part of
followed by its charge
first elements name,
written as such.
nd
the nonmetal name
per ion in roman
2
element’s prefix,
For monoatomic ions,
nd
with ‘ide’ added to
numeral in parentheses,
part of the 2
element’s name with ‘ide’ added to it.
i) the metal ion’s name is
it. (refer to
chart 2)
followed by part of the
(for a
list of the prefixes
and its exceptions refer to
written as the name of the
nonmetal name with
text book)
element.
‘ide’ added to it.
ii) the nonmetal ion is written
with part of the nonmetal
name with ‘ide’ added to it.
Examples:
Type 1
Type 2
Type 3
Type 4
MgCl
magnesium chloride
FeO
iron(II) oxide
P
O
diphosphorus pentoxide
NH
Cl
ammonium chloride
2
2
5
4
CaO
calcium oxide
CuCl
copper(I) chloride
CO
carbon monoxide
(cation is polyatomic)
Na
N
sodium nitride
HgI
mercury(II) iodide
CO
carbon dioxide
Na
SO
sodium sulfate
3
2
2
2
4
(anion is polyatomic)
(NH
)
CO
ammonium carbonate
4
2
3
(both ions are polyatomic)
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