Ionic Compounds and Their Properties

The video tutorial explains how to write the chemical name for BaS, an ionic compound composed of barium and sulfur. It details the process of naming the metal (barium) and the non-metal (sulfur) components, replacing the sulfur ending with 'ide' to form 'barium sulfide'. The tutorial also covers how to write the chemical formula from the name, noting the charges of barium and sulfur ions. The video concludes with a summary of the naming process.

What type of compound is formed when a metal and a non-metal combine?

• Covalent compound

• Ionic compound

• Metallic compound

• Organic compound

What is the correct name for the compound with the formula BaS?

• Barium sulfite

• Barium sulfide

• Barium sulfate

• Barium sulfur

When naming an ionic compound, what suffix is typically added to the non-metal?

• -ous

• -ide

• -ite

• -ate

What is the charge of a barium ion in the compound BaS?

• 2-

• 1-

• 2+

• 1+

How many sulfur atoms are present in the formula for barium sulfide?

• Four

• Two

• One

• Three