Polyatomic Ions and Naming

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

KNO₃ is used in fertilizers as a source of potassium and nitrogen. If you want to buy fertilizer with this compound, what chemical name should you look for?

• potassium nitrate
• potassium nitrite
• potassium nitride
• potassium nitrogen

What is the name of NH₄Cl?

• nitrogen tetrahydrogen chloride
• ammonium chlorine
• ammonium chloride
• ammonium chlorate

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 Al(NO₃)₃?

• Aluminum trinitrate
• Monoaluminum nitrate
• Aluminum (III) nitrate
• Aluminum Nitrate

What is the name of AlPO₄?

• Aluminum phosphoxie

• Monoaluminum tetraphosphate

• Aluminum (III) phosphate

• Aluminum phosphate

What is the name of K₃PO₄?

• Tripotassium Phosphate
• Tripotassium Phosphite
• Potassium phosphide
• Potassium phosphate

What's the name of the compound NH₄NO₃ ?

• nitrogen hydrogen oxygen
• ammonium nitrite
• nitrogenous water
• ammonium nitrate

Name the following ionic compound: MgSO₄

• magnesium sulfoxide
• magnesium sulfide
• magnesium sulfate
• magnesium oxide

Name the following ionic compound: LiNO₃

• lithium nitrate
• lithium III nitrate
• lithium nitride
• lithium oxide