What are polyatomic ions? (Define)
A group of covalently bonded ions with ionic charge.
What nonmetals are often bonded?
P → Phosphorus
S → Sulfur
O → Oxygen
C → Carbon
N → Nitrogen
Usual charges?
1-,2-,3-
Name the 6 common polyatomic ions (element name).
Hydrogen(H), Nitrogen(N), Chlorine(Cl), Carbon(C), Sulfur(S), Phosphorus(P)
What ones do we memorize? (the weird/odd suffixes)
Hydroxide
Ammonium
Cyanide
Hydroxide formula
OH(-)
Ammonium formula
NH4(+)
Cyanide formula
CN(-)
What ones do we memorize? (the ‘ates’)
Nitrate
Chlorate
Carbonate
Sulfate
Phosphate
Perchlorate
Acetate
Nitrate formula
NO3(-)
Chlorate formula
ClO3(-)
Carbonate formula
CO3(2-)
Sulfate formula
SO4(2-)
Phosphate formula
PO4(3-)
Perchlorate formula
ClO4(-)
Acetate formula
C2H3O2(-)
What ones do we memorize? (the ‘ites’)
Chlorite
Hypochlorite
Phosphite
Nitrite
Sulfite
Chlorite
ClO2(-)
Hypochlorite
ClO(-)
Phosphite
PO3(3-)
Nitrite
NO2(-)
Sulfite
SO3(2-)
What ones do we memorize? (the hydrogens)
Hydrogen Carbonate (Bicarbonate)
Hydrogen Sulfate (Bisulfate)
Hydrogen Sulfite (Bisulfite)
Hydrogen Phosphate
Dihydrogen Phosphate
Hydrogen Carbonate (Bicarbonate)
HCO3(-)
Hydrogen Sulfate (Bisulfate)
HSO4(-)
Hydrogen Sulfite (Bisulfite)
HSO3(-)
Hydrogen Phosphate
HPO4(2-)
Dihydrogen Phosphate
H2PO4(-)