Ionic Compounds

Ionic Compounds Nomenclature with Polyatomic ions

Goal

Be able to write the name and formula for ionic compounds with polyatomic ions.

​Writing the name of ionic compounds with polyatomic ions

• Write the cation symbol and charge

• Write the anion symbol (polyatomic ion) and charge (see Common Ion Table)

• Cross Cross to balance the charges

Multiple Choice

Determine the formula unit: Ammonium nitrate

• NH₃NO₃

• NH₃NO₄

• NH₄NO₄

• NH₄NO₃

Multiple Choice

Determine the formula unit: Scandium chromate

• Sc₂CrO₄^3-

• Sc₂(CrO₄)₃

• ScCrO₄

• Sc₂(CrO₄)₂

Multiple Choice

Determine the formula unit: Copper(I) oxalate

• CuC₂O₄

• Cu₂C₂O₄

• Cu(C₂O₄)₂

• Cu₂(C₂O₄)₂

Multiple Choice

Determine the formula unit: Zinc chlorate

• Zn₂ClO₂

• Zn(ClO₂)₂

• Zn₂ClO₃

• Zn(ClO₃)₂

​Naming Ionic Compounds with Polyatomic Ions.

• Name the cation

• Write the name of the polatomic ion using the Common Ion Table

Multiple Choice

Name: Fe(OH)₂

• Iron(I) hydroxide

• Iron hydroxide

• Iron(II) hydroxide

• Iron(III) hydroxide

Multiple Choice

Name: Ag₂SO₄

• Silver sulfite

• Silver(I) sulfite

• Silver (II) sulfate

• Silver sulfate

Multiple Choice

Name: Sn(C₂H₃O₂)₂

• Tin acetate

• Tin(I) acetate

• Tin (II) acetate

• Tin(III) acetate