How can we help?

You can also find more resources in our Help Center.

27 terms

Common Polyatomic Ions

STUDY
PLAY
acetate
C₂H₃O₂⁻ or CH₃COO₋
bromate
BrO₃⁻
perchlorate
CIO₄⁻
chlorite
CIO₂⁻
chlorite
CIO₂⁻
hypochlorite
CIO⁻
cyanide
CN⁻
biocarbonate (hydrogen carbonate)
HC0₃⁻
hydroxide
OH⁻
iodate
IO₃⁻
nitrate
NO₃⁻
nitrite
NO₂⁻
permanganate
MnO₄⁻
thiocyanate
SCN⁻
carbonate
CO₃⁻²
chromate
CrO₄⁻²
dichromate
Cr₂O₇⁻²
oxalate
C₂O₄⁻²
peroxide
O₂⁻²
sulfate
SO₄⁻²
sulfite
SO₃⁻²
phosphate
PO₄⁻³
phosphite
PO₃⁻³
arsenate
AsO₄⁻³
ammonium
NH₄⁺
+2
zinc and cadmium
+3
aluminum