Polyatomic Ions Lesson

NO₂^-

• Nitride

• Nitrate

• Nitrite

• Ammonium

Hydrogen Carbonate (bicarbonate)

• HCO₃^–

• CO₃^2–

• CrO₄^2–

• CN^–

HCO₃^-

• Hydrogen Carbonate (Bicarbonate)

• Carbonate

• Hydroxide

• Ammonioum

Name the following ionic compound: MgSO₄

• magnesium sulfoxide

• magnesium sulfide

• magnesium sulfate

• magnesium oxide

Ions are: 

• atoms with a positive or negative charge

• atoms with no charge

• atoms with ONLY a positive charge

• atoms with ONLY a negative charge

An -ate or -ite at the end of a compound name usually indicates that the compound contains _____________.

• fewer electrons than protons

• neutral molecules

• only two elements

• a polyatomic anion

What is the name of K₃PO₄?

• Tripotassium Phosphate

• Tripotassium Phosphite

• Potassium phosphide

• Potassium phosphate

Which naming pattern is unique to polyatomic ionic compounds?

• they can have prefixes

• they can end in -ide

• they can end in -ate

• they use Roman Numerals

SO₄^2-

• sulfate

• sulfite

PO₄^3-

• phosphate

• phosphorus oxide