Names Formulas And Charges Of Common Ions
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1Names, Formulas, and Charges of Common Ions
POSITIVE IONS (CATIONS)
Name
Symbol
Name
Symbol
3+
+
aluminum
Al
lithium
Li
+
2+
ammonium
NH
magnesium
Mg
4
2+
2+
barium
Ba
manganese(II)
Mn
2+
4+
cadmium
Cd
manganese(IV)
Mn
2+
2+
calcium
Ca
mercury(I)
Hg
2
2+
2+
chromium(II)
Cr
mercury(II)
Hg
3+
2+
chromium(III)
Cr
nickel(II)
Ni
+
+
copper(I)
Cu
potassium
K
2+
+
copper(II)
Cu
silver
Ag
+
+
hydrogen,
H
sodium
Na
2+
2+
iron(II)
Fe
strontium
Sr
3+
2+
iron(III)
Fe
tin(II)
Sn
2+
4+
lead(II)
Pb
tin(IV)
Sn
4+
2+
lead(IV)
Pb
zinc
Zn
NEGATIVE IONS (ANIONS)
Name
Symbol
Name
Symbol
–
–
–
( CH
) nitrate
acetate
C
H
O
COO
NO
2
3
2
3
3
–
3 –
azide
N
nitride
N
3
–
–
bromide
Br
nitrite
NO
2
–
2 –
bromate
BrO
oxalate
C
O
3
2
4
2 –
–
carbonate
CO
hydrogen oxalate
H C
O
3
2
4
–
2 –
hydride
H
oxide
O
–
–
hydrogen carbonate
HCO
perchlorate
ClO
3
4
–
–
chlorate
ClO
permanganate
MnO
3
4
–
3 –
chloride
Cl
phosphate
PO
4
–
2 –
chlorite
ClO
monohydrogen phosphate
HPO
2
4
2 –
–
chromate
CrO
dihydrogen phosphate
H
PO
4
2
4
3 –
2 –
citrate
C
H
O
silicate
SiO
6
5
7
3
–
2 –
cyanide
CN
sulfate (sulphate)
SO
4
2 –
–
dichromate
Cr
O
hydrogen sulfate (sulphate) HSO
2
7
4
–
2 –
fluoride
F
sulfide (sulphide)
S
–
–
hydroxide
OH
hydrogen sulfide (sulphide) HS
–
2 –
hypochlorite
ClO
sulfite (sulphite)
SO
3
–
–
iodide
I
hydrogen sulfite (sulphite) HSO
3
–
–
iodate
IO
thiocyanate
SCN
3
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