Naming and Classifying Ag2S

The video tutorial explains how to name the compound Ag2S, which is silver sulfide. It begins by identifying the compound as ionic due to the presence of a metal and a nonmetal. The tutorial then details the process of naming the metal, silver, and the nonmetal, sulfur, using the periodic table. The suffix 'ide' is added to sulfur to form sulfide, resulting in the name silver sulfide. The video also discusses silver's status as a transition metal and its typical ionic charge, noting that it's acceptable to write the charge in Roman numerals, though not necessary. The tutorial concludes with a sign-off from Dr. B.

What type of compound is Ag2S, and why is it classified as such?

• Organic compound, because it contains carbon

• Metallic compound, because it contains only metals

• Ionic compound, because it contains a metal and a nonmetal

• Covalent compound, because it contains only nonmetals

How is the name of the metal in Ag2S determined?

• By using the chemical symbol of the metal

• By using the name as it appears on the periodic table

• By using the Latin name of the metal

• By using the atomic number of the metal

What is the correct name for the nonmetal in Ag2S after modifying its ending?

• Sulfide

• Sulfate

• Sulfur

• Sulfuride

What is the complete name of the compound Ag2S?

• Silver Sulfuride

• Silver Sulfur

• Silver Sulfate

• Silver Sulfide

Why is it generally unnecessary to use Roman numerals for silver in Ag2S?

• Because silver typically has a +1 ionic charge

• Because silver is not a transition metal

• Because silver always has a fixed charge of +2

• Because silver does not form ions

Which of the following names is acceptable for Ag2S?

• Silver(II) Sulfide

• Silver(I) Sulfide

• Both Silver(I) Sulfide and Silver Sulfide

• Silver Sulfide