What are the properties of polyatomic ions?
• Made up of more than one type of atom
• Bonding within polyatomics is covelant
• Number of electrons means the group has an overall charge
Ammonium
NH₄⁺
Cyanide
CN-
Hydroxide
HO-
Peroxide
O2^2-
Acetate
CH3CO2^-
oxalate
C2O4^2-
Nitrate
NO3-
Sulfate
SO4^2-
Carbonate
CO3^2-
Phosphate
PO4^3-
Permanganate
MnO4^-
Dichromate
Cr2O7^2-