Cloned from: Polyatomic ions



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CN-
cyanide

anion -1
SCN-
thiocyanate

anion -1
OH-
hydroxide

anion-1
NO3-
nitrate

anion -1
NO2-
nitrite

anion -1
CH3COO-
acetate

anion -1
MnO4-
permanganate

anion -1
ClO4-
perchlorate

anion -1
ClO3-
chlorate

anion -1
ClO2-
chlorite

anion -1
ClO-
hypochlorite

anion -1
HCO3-
hydrogencarbonate

anion -1
HSO4-
hydrogensulfate

anion -1
CO3-2
carbonate

anion -2
C2O4-2
oxalate

anion -2
SO4-2
sulfate

anion -2
S2O3-2
thiosulfate

anion -2
SO3-2
sulfite

anion -2
C8H4O4-2
phthalate

anion -2
CrO4-2
chromate

anion -2
Cr2O7-2
dichromate

anion -2
O2-2
peroxide

anion -2
PO4-3
phosphate
PO3-3
phosphite

anion -3
AsO4-3
arsenate

anion -3
NH4+
ammonium

cation +1
H3O+
hydronium

cation +1
Hg2+2
mercury(I)

cation +2
Cation: (+) positive charge
Slide 5 add the word “ion” after element and no change in the element name
Anion: (-) negatively charged
Slide 5 change the suffix of the element to “-ide” and add the word ion” after
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