Predicting And Naming Polyatomic Ionic Compounds Worksheet
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3Predicting and Naming Polyatomic Ionic Compounds Worksheet
Name
You are required to know numbers of atoms and charge on the following polyatomic ions:
Name of the ion
Chemical structure Name of the ion
Chemical structure
3−
2−
Phosphate ion
Sulfate ion
PO
SO
4
4
−
2−
Hydrogen phosphate ion
Hydrogen sulfate ion
HPO
HSO
4
4
−
−
Dihydrogen phosphate ion
Nitrate ion
H
PO
NO
2
4
3
−
2−
Carbonate ion
Acetate ion
CO
C
H
O
3
2
3
2
−
−
Hydrogen carbonate ion
Hydroxide ion
HCO
OH
3
+
Ammonium ion
NH
4
Given the following polyatomic ionic compounds, fill in the formula of the compound from its
name.
Element or
Element or
Name of Compound
Compound Formula
Polyatomic Cation
Polyatomic Anion
Lithium Nitrate
Sodium Sulfate
Potassium Phosphate
Lithium Carbonate
Sodium Acetate
Potassium Hydroxide
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