Ammonium Sulfate and Its Properties

The video tutorial explains how to name the compound NH4₂SO4 by identifying its polyatomic ions: ammonium (NH4⁺) and sulfate (SO4²⁻). It discusses the charges of these ions and how they balance to form an ionic compound. The tutorial emphasizes the importance of recognizing these ions and provides a step-by-step guide to naming the compound as ammonium sulfate. Despite being composed of non-metals, the compound is classified as ionic due to the presence of ions.

What is the chemical formula for ammonium sulfate?

• NH4SO3

• NH2SO4

• NH4_2SO4

• NH3SO4

Which of the following is a polyatomic ion present in ammonium sulfate?

• Ammonium

• Nitrate

• Carbonate

• Phosphate

What is the charge of the ammonium ion?

• 1-

• 2-

• 2+

• 1+

What is the charge of the sulfate ion?

• 1+

• 2+

• 1-

• 2-

How many ammonium ions are needed to balance one sulfate ion in ammonium sulfate?

• Four

• Three

• Two

• One

What type of compound is ammonium sulfate considered to be?

• Molecular

• Metallic

• Covalent

• Ionic

What is the correct name for the compound NH4_2SO4?

• Ammonium sulfide

• Ammonium sulfite

• Ammonium sulfate

• Ammonium sulfide