Manganese(IV) Sulfide Concepts

The video tutorial explains how to write the chemical formula for manganese(IV) sulfide. It begins by identifying the element symbols for manganese and sulfide, noting their respective charges. Manganese has a 4+ charge, while sulfide, derived from sulfur in group 16, has a 2- charge. To form a neutral compound, the charges must balance, requiring two sulfide ions to offset the manganese ion. The resulting formula is MnS2. The tutorial concludes with a summary of the process.

What is the element symbol for manganese?

• Mo

• Ma

• Mn

• Mg

What is the ionic charge of the sulfide ion?

• 4-

• 1-

• 2-

• 3-

Why must the charges in manganese(IV) sulfide add up to zero?

• To balance the equation

• To ensure it is a neutral compound

• To make it a stable ion

• To make it reactive

How many sulfide ions are needed to balance the charge of one manganese(IV) ion?

• Four

• Three

• Two

• One

What is the correct formula for manganese(IV) sulfide?

• MnS2

• MnS

• Mn2S3

• Mn2S