Common Ions
CATIONS'
Single Oxidation State
Multiple Oxidation States
Name
IUPACName
hydrogen ion
lithium ion
sodium ion
potassium ion
rubidium ion
. .
ammOnIum Ion
silver ion
beryllium ion
magnesium ion
calcium ion
strontium ion
barium ion
. .
zmc Ion
cadmium ion
aluminum ion
'~
Used in Chemical Nomendature
FomUaand
~
Li+
Na+
K+
Rb+
NH/
Ag+
Be+2
Mg+2
Ca+2
Sr+2
Ba+2
Zn+2
Cd+2
AI+3
ANIONS
Formula and
"ide" Ending
Charge
Name
F­
fluoride ion
cr
chloride ion
bromide ion
Br­
iodide ion
r
hydride ion
K
hydroxide ion .
OH­
CN
cyanide ion
S-2
sulfide ion
HS­
bisulfide ion
(hydrogen sulfide ion)
oxide ion
0-2
"ate" Ending
Name
Oxalate Ion
Peroxide Ion
,,--"' Thiocyanate Ion
Thiosulfate Ion
Formula and
Char§e
C20 4­
O ,2
2
CNSS20 3"2
copper(l) ion
copper(II) ion
iron(II) ion
iron(III) ion
tin(II) ion
tin(TV) ion
mercury(l) ion
mercury(II) ion
lead(II) ion
lead(IV) ion
nickel(II) ion
nickel (III) ion
chromium(II) ion
chromium(lII) ion
cobalt(II) ion
cobalt(lIT) ion
Common Name
cuprous Ion
cupric ion
ferrous ion
ferric ion
Stannous ion
Stannic ion
mercurous Ion
mercurIc Ion
plumbous ion
plumbic ion
nickelous ion
nickelic ion
chromous ion
chromic ion
cobaltous ion
cobaltic ion
"ate" Ending
Name
chlorate ion
bromate ion
iodate ion
nitrate ion
sulfate ion
bisulfate ion
(hydrogen sulfate ion)
carbonate ion
bicarbonate ion
(hydrogen carbonate)
phosphate ion
arsenate ion
silicate ion
chromate ion
dichromate ion
acetate ion
permanganate ion
Formula and
Charge
CI03­
Br03­
103­
N03"
S04"2
HS04"
P04­ 3
AS04-3
Si03­ 2
Cr04-2
Cr207-2
C2H30£
Mn04­
LIST Of (OMMON AMONG ~ CAnONS
Learn to match the names and formulas for the following monoatomic (m) and
polyatomic (P) ions
Name
chloride
fluoride
iodide
oxide
sulfide
hydroxide
nitrate
bicarbonate
acetate
sulfate
carbonate
phosphate
hydrogen ion
lithium ion
sodium ion
potassium ion
ammonium ion
. .
magnesium Ion
r.!:llcium ion
strontium ion
barium ion
. .
ZInC Ion
iron (II) ion
iron (III) ion
aluminum ion
Formula &'Cbarge
cr
F-
1
1
rl
O-:l
S-2
OH- l
N03­ l .
HC03-·
C2H30 2­ 1
S04-:l
C03-:l
P04j
~l
Ltl
NaTl
KTI
NRtl
MgT:l
CaT:l
SrT:l
Ba+2
ZnT:l
Fe+2
Fe+3
AtJ
Type of Ion
anion (m)
anion (m)
anion (m)
anion-em)
anion (m)
anion (P)
anion (P)
anion(p)
anion (P)
anion (P)
anion (P)
anion(p)
cation (m)
cation (m)
cation (m)
cation(m)
cation (P)
cation(m)
cation (m)
cation (m)
cation (m)
cation (m)
cation (m)
cation (m)
cation (m)